deps: Bump the dev-deps group across 1 directory with 4 updates

Bumps the dev-deps group with 4 updates in the /webapp directory: [@angular-devkit/build-angular](https://github.com/angular/angular-cli), [@angular/cli](https://github.com/angular/angular-cli), [@angular/compiler-cli](https://github.com/angular/angular/tree/HEAD/packages/compiler-cli) and [postcss](https://github.com/postcss/postcss).


Updates `@angular-devkit/build-angular` from 22.1.5 to 22.1.7
- [Release notes](https://github.com/angular/angular-cli/releases)
- [Changelog](https://github.com/angular/angular-cli/blob/main/CHANGELOG.md)
- [Commits](angular/angular-cli@v22.1.5...v22.1.7)

Updates `@angular/cli` from 22.1.5 to 22.1.7
- [Release notes](https://github.com/angular/angular-cli/releases)
- [Changelog](https://github.com/angular/angular-cli/blob/main/CHANGELOG.md)
- [Commits](angular/angular-cli@v22.1.5...v22.1.7)

Updates `@angular/compiler-cli` from 22.1.3 to 22.1.5
- [Release notes](https://github.com/angular/angular/releases)
- [Commits](https://github.com/angular/angular/commits/v22.1.5/packages/compiler-cli)

Updates `postcss` from 8.5.26 to 8.5.28
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.5.26...8.5.28)

---
updated-dependencies:
- dependency-name: "@angular-devkit/build-angular"
  dependency-version: 22.1.7
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: dev-deps
- dependency-name: "@angular/cli"
  dependency-version: 22.1.7
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: dev-deps
- dependency-name: "@angular/compiler-cli"
  dependency-version: 22.1.5
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: dev-deps
- dependency-name: postcss
  dependency-version: 8.5.28
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: dev-deps
...

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

Author: dependabot[bot]

webapp/package.json

@@ -35,9 +35,9 @@
     "zone.js": "~0.16.2"
   },
   "devDependencies": {
-    "@angular-devkit/build-angular": "^22.1.5",
-    "@angular/cli": "^22.1.5",
-    "@angular/compiler-cli": "^22.1.3",
+    "@angular-devkit/build-angular": "^22.1.7",
+    "@angular/cli": "^22.1.7",
+    "@angular/compiler-cli": "^22.1.5",
     "@types/jasmine": "~6.0.0",
     "@tailwindcss/postcss": "^4.3.3",
     "jasmine-core": "~7.0.2",
@@ -46,7 +46,7 @@
     "karma-coverage": "~2.2.0",
     "karma-jasmine": "~5.1.0",
     "karma-jasmine-html-reporter": "~2.3.0",
-    "postcss": "^8.5.26",
+    "postcss": "^8.5.28",
     "tailwindcss": "^4.3.3",
     "typescript": "~7.0.2"
   },