Bump piscina and @angular-devkit/build-angular

Bumps [piscina](https://github.com/piscinajs/piscina) to 5.2.0 and updates ancestor dependency [@angular-devkit/build-angular](https://github.com/angular/angular-cli). These dependencies need to be updated together.


Updates `piscina` from 5.1.3 to 5.2.0
- [Release notes](https://github.com/piscinajs/piscina/releases)
- [Changelog](https://github.com/piscinajs/piscina/blob/v5.2.0/CHANGELOG.md)
- [Commits](piscinajs/piscina@v5.1.3...v5.2.0)

Updates `@angular-devkit/build-angular` from 20.3.29 to 20.3.31
- [Release notes](https://github.com/angular/angular-cli/releases)
- [Changelog](https://github.com/angular/angular-cli/blob/main/CHANGELOG.md)
- [Commits](angular/angular-cli@v20.3.29...v20.3.31)

---
updated-dependencies:
- dependency-name: piscina
  dependency-version: 5.2.0
  dependency-type: indirect
- dependency-name: "@angular-devkit/build-angular"
  dependency-version: 20.3.31
  dependency-type: direct:development
...

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

Author: dependabot[bot]