Bump typescript from 3.5.2 to 3.5.3 (#2090)

Bumps [typescript](https://github.com/Microsoft/TypeScript) from 3.5.2 to 3.5.3.
- [Release notes](https://github.com/Microsoft/TypeScript/releases)
- [Commits](microsoft/TypeScript@v3.5.2...v3.5.3)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Author: dependabot-preview[bot]

package-lock.json

@@ -53,7 +53,7 @@
     "mocha-multi-reporters": "~1.1.7",
     "rewire": "~4.0.1",
     "tslint": "~5.18.0",
-    "typescript": "~3.5.2",
+    "typescript": "~3.5.3",
     "vsce": "~1.66.0",
     "vscode": "~1.1.35"
   },