Bump karma-coverage from 2.2.0 to 2.2.1 in /frontend (#166)

Bumps [karma-coverage](https://github.com/karma-runner/karma-coverage) from 2.2.0 to 2.2.1.
- [Release notes](https://github.com/karma-runner/karma-coverage/releases)
- [Changelog](https://github.com/karma-runner/karma-coverage/blob/master/CHANGELOG.md)
- [Commits](https://github.com/karma-runner/karma-coverage/compare/v2.2.0...v2.2.1)

---
updated-dependencies:
- dependency-name: karma-coverage
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

frontend/package-lock.json

@@ -33,7 +33,7 @@
         "jasmine-core": "~4.6.0",
         "karma": "~6.4.1",
         "karma-chrome-launcher": "~3.2.0",
-        "karma-coverage": "~2.2.0",
+        "karma-coverage": "~2.2.1",
         "karma-jasmine": "~5.1.0",
         "karma-jasmine-html-reporter": "~2.0.0",
         "typescript": "^4.9.0"
@@ -7683,9 +7683,9 @@
       }
     },
     "node_modules/karma-coverage": {
-      "version": "2.2.0",
-      "resolved": "https://registry.npmjs.org/karma-coverage/-/karma-coverage-2.2.0.tgz",
-      "integrity": "sha512-gPVdoZBNDZ08UCzdMHHhEImKrw1+PAOQOIiffv1YsvxFhBjqvo/SVXNk4tqn1SYqX0BJZT6S/59zgxiBe+9OuA==",
+      "version": "2.2.1",
+      "resolved": "https://registry.npmjs.org/karma-coverage/-/karma-coverage-2.2.1.tgz",
+      "integrity": "sha512-yj7hbequkQP2qOSb20GuNSIyE//PgJWHwC2IydLE6XRtsnaflv+/OSGNssPjobYUlhVVagy99TQpqUt3vAUG7A==",
       "dev": true,
       "dependencies": {
         "istanbul-lib-coverage": "^3.2.0",

frontend/package.json

@@ -35,7 +35,7 @@
     "jasmine-core": "~4.6.0",
     "karma": "~6.4.1",
     "karma-chrome-launcher": "~3.2.0",
-    "karma-coverage": "~2.2.0",
+    "karma-coverage": "~2.2.1",
     "karma-jasmine": "~5.1.0",
     "karma-jasmine-html-reporter": "~2.0.0",
     "typescript": "^4.9.0"