Auto merge of #2053 - rust-lang:dependabot/npm_and_yarn/nyc-15.0.0, r=locks

Bump nyc from 14.1.1 to 15.0.0

Bumps [nyc](https://github.com/istanbuljs/nyc) from 14.1.1 to 15.0.0.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a href="https://github.com/istanbuljs/nyc/blob/master/CHANGELOG.md">nyc's changelog</a>.</em></p>
<blockquote>
<h2><a href="https://github.com/istanbuljs/nyc/compare/v14.1.1...v15.0.0">15.0.0</a> (2019-12-20)</h2>
<h3>⚠ BREAKING CHANGES</h3>
<ul>
<li>The <code>flow</code> and <code>jsx</code> parser plugins are no longer
enabled by default.</li>
<li>Node.js 8 is now required to run nyc</li>
<li>Remove NYC_ROOT_ID and NYC_INSTRUMENTER environmental
variables.</li>
<li>The <code>root</code> field has been removed from processinfo
files.</li>
</ul>
<h3>Features</h3>
<ul>
<li>Add <code>--use-spawn-wrap=true</code> option (<a href="https://github-redirect.dependabot.com/istanbuljs/nyc/issues/1169">#1169</a>) (<a href="https://github.com/istanbuljs/nyc/commit/df4de4d490f8cd32204fba66a810ed0444c26d0d">df4de4d</a>)</li>
<li>Add <code>.cjs</code>, <code>.mjs</code>, <code>.ts</code>, <code>.tsx</code>, <code>.jsx</code> to default extensions (<a href="https://github-redirect.dependabot.com/istanbuljs/nyc/issues/1110">#1110</a>) (<a href="https://github.com/istanbuljs/nyc/commit/914b776215ad3ea54f0e46b4ba2904a8a9d4dfdd">914b776</a>), closes <a href="https://github-redirect.dependabot.com/istanbuljs/nyc/issues/1103">#1103</a></li>
<li>Allow <code>nyc instrument</code> to instrument code in place (<a href="https://github-redirect.dependabot.com/istanbuljs/nyc/issues/1149">#1149</a>) (<a href="https://github.com/istanbuljs/nyc/commit/77832845b85134d21eca3a23c812c4f21f36713f">7783284</a>)</li>
<li>Drop node.js 6, upgrade dependencies (<a href="https://github-redirect.dependabot.com/istanbuljs/nyc/issues/1134">#1134</a>) (<a href="https://github.com/istanbuljs/nyc/commit/00c3b3440a5b2ffe11b9c19ae4e08ad2f5b70e33">00c3b34</a>)</li>
<li>Filenames relative to project cwd in coverage reports (<a href="https://github-redirect.dependabot.com/istanbuljs/nyc/issues/1212">#1212</a>) (<a href="https://github.com/istanbuljs/nyc/commit/5258e9fdb1d9e3d4abd4cc9768bc09cd8040a6be">5258e9f</a>)</li>
<li>Use @istanbuljs/schema for yargs setup (<a href="https://github-redirect.dependabot.com/istanbuljs/nyc/issues/1194">#1194</a>) (<a href="https://github.com/istanbuljs/nyc/commit/fd40d49331665d936b86f30e9a873ba80071b770">fd40d49</a>)</li>
<li>Use istanbul-lib-processinfo (<a href="https://github-redirect.dependabot.com/istanbuljs/nyc/issues/1145">#1145</a>) (<a href="https://github.com/istanbuljs/nyc/commit/7943413dc032f8f98a164fdde88d7344e817bb5e">7943413</a>)</li>
<li>Use source base name to prefix cache files (<a href="https://github-redirect.dependabot.com/istanbuljs/nyc/issues/1144">#1144</a>) (<a href="https://github.com/istanbuljs/nyc/commit/5c1b7a9c43771f3439af44a1104e5426519e1123">5c1b7a9</a>)</li>
</ul>
<h3>Bug Fixes</h3>
<ul>
<li>Avoid <code>source-map</code> module during <code>signal-exit</code> handler (<a href="https://github-redirect.dependabot.com/istanbuljs/nyc/issues/1191">#1191</a>) (<a href="https://github.com/istanbuljs/nyc/commit/83eb6294f9492bf98405ee9fdf6281c3bc199a3d">83eb629</a>)</li>
<li>Better error handling for main execution, reporting (<a href="https://github-redirect.dependabot.com/istanbuljs/nyc/issues/1229">#1229</a>) (<a href="https://github.com/istanbuljs/nyc/commit/dfd629d95716e6159aa7216c03e28a7fbbb161e7">dfd629d</a>)</li>
<li>Correct handling of source-maps for pre-instrumented files (<a href="https://github-redirect.dependabot.com/istanbuljs/nyc/issues/1216">#1216</a>) (<a href="https://github.com/istanbuljs/nyc/commit/8411a26c9e520c66251cc8044cde2c81f33f1c5f">8411a26</a>), closes <a href="https://github-redirect.dependabot.com/istanbuljs/nyc/issues/1208">#1208</a></li>
<li>Drop coverage produced by <code>nyc --all</code> for files that were tested (<a href="https://github-redirect.dependabot.com/istanbuljs/nyc/issues/1155">#1155</a>) (<a href="https://github.com/istanbuljs/nyc/commit/fc1bbbf490f6ab0272359ce10ceb4987d1716256">fc1bbbf</a>), closes <a href="https://github-redirect.dependabot.com/istanbuljs/nyc/issues/1113">#1113</a> <a href="https://github-redirect.dependabot.com/istanbuljs/nyc/issues/1124">#1124</a> <a href="https://github-redirect.dependabot.com/istanbuljs/nyc/issues/1148">#1148</a></li>
<li>Honor eager setting (false by default) (<a href="https://github-redirect.dependabot.com/istanbuljs/nyc/issues/1179">#1179</a>) (<a href="https://github.com/istanbuljs/nyc/commit/c18fb0a9a8eae5904298d87c62d9934243de8674">c18fb0a</a>)</li>
<li>Remove vestigial environment variables (<a href="https://github-redirect.dependabot.com/istanbuljs/nyc/issues/1078">#1078</a>) (<a href="https://github.com/istanbuljs/nyc/commit/cfd3da05156b98952f03f7be2dd3d23ba328073f">cfd3da0</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="https://github.com/istanbuljs/nyc/commit/bebf4d68c6a2cb0c5fd66ba3513a8e68ad5a284f"><code>bebf4d6</code></a> chore(release): 15.0.0</li>
<li><a href="https://github.com/istanbuljs/nyc/commit/293173086b550bf5c78696bf594e7db9b55a1db7"><code>2931730</code></a> chore: Update to final releases of dependencies (<a href="https://github-redirect.dependabot.com/istanbuljs/nyc/issues/1245">#1245</a>)</li>
<li><a href="https://github.com/istanbuljs/nyc/commit/d44ff19105b681ecf4f156cf8a9bc902d1d4234d"><code>d44ff19</code></a> chore: Update node-preload and use process-on-spawn (<a href="https://github-redirect.dependabot.com/istanbuljs/nyc/issues/1243">#1243</a>)</li>
<li><a href="https://github.com/istanbuljs/nyc/commit/5258e9fdb1d9e3d4abd4cc9768bc09cd8040a6be"><code>5258e9f</code></a> feat: Filenames relative to project cwd in coverage reports (<a href="https://github-redirect.dependabot.com/istanbuljs/nyc/issues/1212">#1212</a>)</li>
<li><a href="https://github.com/istanbuljs/nyc/commit/6039f29478e60ecafe0b6eb4554829d5d256869b"><code>6039f29</code></a> chore: Unpin test-exclude, update to latest pre-releases (<a href="https://github-redirect.dependabot.com/istanbuljs/nyc/issues/1240">#1240</a>)</li>
<li><a href="https://github.com/istanbuljs/nyc/commit/f3c9e6c2bb3424d404eb3b49004ec137cf451901"><code>f3c9e6c</code></a> chore: Temporarily pin test-exclude (<a href="https://github-redirect.dependabot.com/istanbuljs/nyc/issues/1239">#1239</a>)</li>
<li><a href="https://github.com/istanbuljs/nyc/commit/28ed74659ddc8826a515d2e6eb570adb606fe549"><code>28ed746</code></a> chore: Lazy load modules that are rarely/never needed in test processes. (<a href="https://github-redirect.dependabot.com/istanbuljs/nyc/issues/1232">#1232</a>)</li>
<li><a href="https://github.com/istanbuljs/nyc/commit/7307626536cb8c4bbb8de1003e16e7b8bd5e4959"><code>7307626</code></a> chore: Remove cp-file module (<a href="https://github-redirect.dependabot.com/istanbuljs/nyc/issues/1230">#1230</a>)</li>
<li><a href="https://github.com/istanbuljs/nyc/commit/dfd629d95716e6159aa7216c03e28a7fbbb161e7"><code>dfd629d</code></a> fix: Better error handling for main execution, reporting (<a href="https://github-redirect.dependabot.com/istanbuljs/nyc/issues/1229">#1229</a>)</li>
<li><a href="https://github.com/istanbuljs/nyc/commit/549c953b04597af81bbaf408441aafaa08e34fc1"><code>549c953</code></a> chore: Update dependencies, pin find-cache-dir (<a href="https://github-redirect.dependabot.com/istanbuljs/nyc/issues/1228">#1228</a>)</li>
<li>Additional commits viewable in <a href="https://github.com/istanbuljs/nyc/compare/v14.1.1...v15.0.0">compare view</a></li>
</ul>
</details>
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Author: bors