Bump tar, @angular-devkit/build-angular and @angular/cli

Bumps [tar](https://github.com/isaacs/node-tar) to 7.5.11 and updates ancestor dependencies [tar](https://github.com/isaacs/node-tar), [@angular-devkit/build-angular](https://github.com/angular/angular-cli) and [@angular/cli](https://github.com/angular/angular-cli). These dependencies need to be updated together.


Updates `tar` from 6.1.13 to 7.5.11
- [Release notes](https://github.com/isaacs/node-tar/releases)
- [Changelog](https://github.com/isaacs/node-tar/blob/main/CHANGELOG.md)
- [Commits](https://github.com/isaacs/node-tar/compare/v6.1.13...v7.5.11)

Updates `@angular-devkit/build-angular` from 13.3.11 to 21.2.1
- [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/13.3.11...v21.2.1)

Updates `@angular/cli` from 13.3.11 to 21.2.1
- [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/13.3.11...v21.2.1)

---
updated-dependencies:
- dependency-name: tar
  dependency-version: 7.5.11
  dependency-type: indirect
- dependency-name: "@angular-devkit/build-angular"
  dependency-version: 21.2.1
  dependency-type: direct:development
- dependency-name: "@angular/cli"
  dependency-version: 21.2.1
  dependency-type: direct:development
...

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

webapp/frontend/package.json

@@ -47,8 +47,8 @@
         "web-animations-js": "^2.3.2"
     },
     "devDependencies": {
-        "@angular-devkit/build-angular": "v13-lts",
-        "@angular/cli": "v13-lts",
+        "@angular-devkit/build-angular": "v21-lts",
+        "@angular/cli": "v21-lts",
         "@angular/compiler-cli": "v13-lts",
         "@angular/language-service": "v13-lts",
         "@types/crypto-js": "^4.1.1",