Update angular

Related issues

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Acceptance criteria

• Implemented code changes don't diverge from the related issue.
• Documentation reflects the status quo after merge.
• Version number is incremented according to SemVer. (Snapshot versions are not merged/released.)
• Only released versions of dependencies are used (i.e. no snapshot versions).
• No blocker/critical/major (red) issues in sonarqube report.
• The OpenAPI specification documents reflect the current status of the web API implementations.

Proposed squash commit message

Update frontend

* Update angular and angular material
* Update other dependencies
* Migrate to signals where possible