Bump @angular-devkit/build-angular from 13.3.5 to 14.2.0 in /frontend

Bumps [@angular-devkit/build-angular](https://github.com/angular/angular-cli) from 13.3.5 to 14.2.0.
- [Release notes](https://github.com/angular/angular-cli/releases)
- [Changelog](https://github.com/angular/angular-cli/blob/main/CHANGELOG.md)
- [Commits](https://github.com/angular/angular-cli/compare/13.3.5...14.2.0)

---
updated-dependencies:
- dependency-name: "@angular-devkit/build-angular"
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

api/requirements.txt

@@ -1,4 +1,4 @@
-Flask~=2.2.2
+Flask~=2.1.2
 python-dotenv==0.20.0
 uwsgi==2.0.20
 Flask_SQLAlchemy==2.5.1

frontend/package.json

@@ -29,7 +29,7 @@
     "zone.js": "~0.11.4"
   },
   "devDependencies": {
-    "@angular-devkit/build-angular": "~13.3.5",
+    "@angular-devkit/build-angular": "~14.2.0",
     "@angular-eslint/builder": "13.2.1",
     "@angular-eslint/eslint-plugin": "13.2.1",
     "@angular-eslint/eslint-plugin-template": "13.2.1",