Merge pull request #627 from eXist-db/dependabot/npm_and_yarn/mocha-9.0.0

chore(deps-dev): bump mocha from 8.3.2 to 9.0.0

Author: duncdrum

package-lock.json

@@ -48,7 +48,7 @@
     "gulp-svgmin": "^3.0.0",
     "gulp-uglify": "^3.0.2",
     "lazypipe": "^1.0.2",
-    "mocha": "^8.4.0",
+    "mocha": "^9.0.0",
     "supertest": "^6.1.3"
   },
   "dependencies": {