Update dependency np to v7

Author: renovate-bot

package.json

@@ -49,7 +49,7 @@
     "esdoc-inject-script-plugin": "1.0.0",
     "esdoc-inject-style-plugin": "1.0.0",
     "esdoc-standard-plugin": "1.0.0",
-    "np": "6.5.0",
+    "np": "7.0.0",
     "nyc": "15.1.0"
   },
   "files": [