Restore mocha-junit-reporter to npm dependencies

Author: eliericha

integration/vscode/ada/package-lock.json

@@ -575,6 +575,7 @@
         "eslint-plugin-tsdoc": "0.2.17",
         "glob": "9.3.0",
         "mocha": "10.2.0",
+        "mocha-junit-reporter": "^2.2.0",
         "prettier": "2.8.4",
         "typescript": "4.9.5",
         "vscode-tmgrammar-test": "0.1.1"