chore(deps): bump @angular/core from 19.1.5 to 20.3.1

Bumps [@angular/core](https://github.com/angular/angular/tree/HEAD/packages/core) from 19.1.5 to 20.3.1.
- [Release notes](https://github.com/angular/angular/releases)
- [Changelog](https://github.com/angular/angular/blob/main/CHANGELOG.md)
- [Commits](https://github.com/angular/angular/commits/20.3.1/packages/core)

---
updated-dependencies:
- dependency-name: "@angular/core"
  dependency-version: 20.3.1
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]