build(deps): bump node-forge and @angular-devkit/build-angular in /ng12

Removes [node-forge](https://github.com/digitalbazaar/forge). It's no longer used after updating ancestor dependency [@angular-devkit/build-angular](https://github.com/angular/angular-cli). These dependencies need to be updated together.


Removes `node-forge`

Updates `@angular-devkit/build-angular` from 12.2.18 to 21.2.5
- [Release notes](https://github.com/angular/angular-cli/releases)
- [Changelog](https://github.com/angular/angular-cli/blob/main/CHANGELOG.md)
- [Commits](angular/angular-cli@12.2.18...v21.2.5)

---
updated-dependencies:
- dependency-name: node-forge
  dependency-version: 
  dependency-type: indirect
- dependency-name: "@angular-devkit/build-angular"
  dependency-version: 21.2.5
  dependency-type: direct:development
...

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Author: dependabot[bot]