mgr/dashboard: bump mocha-junit-reporter

Bumps [mocha-junit-reporter](https://github.com/michaelleeallen/mocha-junit-reporter) from 2.1.0 to 2.2.1.
- [Release notes](https://github.com/michaelleeallen/mocha-junit-reporter/releases)
- [Commits](michaelleeallen/mocha-junit-reporter@v2.1.0...v2.2.1)

---
updated-dependencies:
- dependency-name: mocha-junit-reporter
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

src/pybind/mgr/dashboard/frontend/package-lock.json

@@ -122,7 +122,7 @@
     "jest-jasmine2": "28.1.3",
     "jest-preset-angular": "13.1.1",
     "jest-silent-reporter": "0.5.0",
-    "mocha-junit-reporter": "2.1.0",
+    "mocha-junit-reporter": "2.2.1",
     "ng-mocks": "14.3.0",
     "npm-run-all": "4.1.5",
     "prettier": "2.1.2",