build(deps): bump loader-utils and @angular-devkit/build-angular

Bumps [loader-utils](https://github.com/webpack/loader-utils) to 1.4.2 and updates ancestor dependencies [loader-utils](https://github.com/webpack/loader-utils), [loader-utils](https://github.com/webpack/loader-utils) and [@angular-devkit/build-angular](https://github.com/angular/angular-cli). These dependencies need to be updated together.


Updates `loader-utils` from 1.1.0 to 1.4.2
- [Release notes](https://github.com/webpack/loader-utils/releases)
- [Changelog](https://github.com/webpack/loader-utils/blob/v1.4.2/CHANGELOG.md)
- [Commits](https://github.com/webpack/loader-utils/compare/v1.1.0...v1.4.2)

Updates `loader-utils` from 1.2.3 to 1.4.2
- [Release notes](https://github.com/webpack/loader-utils/releases)
- [Changelog](https://github.com/webpack/loader-utils/blob/v1.4.2/CHANGELOG.md)
- [Commits](https://github.com/webpack/loader-utils/compare/v1.1.0...v1.4.2)

Updates `@angular-devkit/build-angular` from 0.7.5 to 15.0.0
- [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/commits/15.0.0)

---
updated-dependencies:
- dependency-name: loader-utils
  dependency-type: indirect
- dependency-name: loader-utils
  dependency-type: indirect
- dependency-name: "@angular-devkit/build-angular"
  dependency-type: direct:development
...

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

package.json

@@ -43,7 +43,7 @@
     "zone.js": "~0.8.26"
   },
   "devDependencies": {
-    "@angular-devkit/build-angular": "~0.7.0",
+    "@angular-devkit/build-angular": "~15.0.0",
     "@angular/cdk": "^6.4.7",
     "@angular/cli": "~6.1.4",
     "@angular/compiler-cli": "^6.1.0",