Bump ip, @angular-devkit/build-angular and socks in /webapp/frontend

Removes [ip](https://github.com/indutny/node-ip). It's no longer used after updating ancestor dependencies [ip](https://github.com/indutny/node-ip), [@angular-devkit/build-angular](https://github.com/angular/angular-cli) and [socks](https://github.com/JoshGlazebrook/socks). These dependencies need to be updated together.


Removes `ip`

Updates `@angular-devkit/build-angular` from 13.3.11 to 21.1.3
- [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...v21.1.3)

Updates `socks` from 2.7.1 to 2.8.7
- [Release notes](https://github.com/JoshGlazebrook/socks/releases)
- [Commits](https://github.com/JoshGlazebrook/socks/commits)

---
updated-dependencies:
- dependency-name: ip
  dependency-version: 
  dependency-type: indirect
- dependency-name: "@angular-devkit/build-angular"
  dependency-version: 21.1.3
  dependency-type: direct:development
- dependency-name: socks
  dependency-version: 2.8.7
  dependency-type: indirect
...

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

webapp/frontend/package.json

@@ -47,7 +47,7 @@
         "web-animations-js": "^2.3.2"
     },
     "devDependencies": {
-        "@angular-devkit/build-angular": "v13-lts",
+        "@angular-devkit/build-angular": "v21-lts",
         "@angular/cli": "v13-lts",
         "@angular/compiler-cli": "v13-lts",
         "@angular/language-service": "v13-lts",