chore(deps): bump chart.js from 2.9.4 to 3.0.2 in /frontend

Bumps [chart.js](https://github.com/chartjs/Chart.js) from 2.9.4 to 3.0.2.
- [Release notes](https://github.com/chartjs/Chart.js/releases)
- [Commits](chartjs/Chart.js@v2.9.4...v3.0.2)

Signed-off-by: dependabot[bot] <support@github.com>

frontend/package.json

@@ -25,9 +25,9 @@
     "@angular/forms": "~11.2.7",
     "@angular/platform-browser": "~11.2.7",
     "@angular/platform-browser-dynamic": "~11.2.7",
-    "@angular/router": "~11.2.7",
+    "@angular/router": "~11.2.8",
     "@ng-select/ng-select": "^6.1.0",
-    "chart.js": "^2.9.4",
+    "chart.js": "^3.0.2",
     "core-js": "^3.10.0",
     "jwt-decode": "^3.1.2",
     "ngx-markdown": "^11.1.1",
@@ -47,7 +47,7 @@
     "codelyzer": "^6.0.0",
     "jasmine-core": "~3.7.1",
     "jasmine-spec-reporter": "~6.0.0",
-    "karma": "~6.3.1",
+    "karma": "~6.3.2",
     "karma-chrome-launcher": "~3.1.0",
     "karma-coverage-istanbul-reporter": "~3.0.2",
     "karma-jasmine": "~4.0.0",