Add permissions section to unit tests workflow

[jasperschroeder]

No description provided.

[Copilot]

Pull Request Overview

Adds a permissions block to the unit tests workflow to limit the GitHub token’s scope to read-only repository contents.

• Introduces a top-level permissions section with contents: read
• Restricts default token privileges for improved security

Comments suppressed due to low confidence (2)

.github/workflows/unittests.yml:13

• [nitpick] Consider adding a brief comment above the permissions block to explain why only read access to repository contents is required, helping future maintainers understand the intention.

permissions:

.github/workflows/unittests.yml:14

• Verify that contents: read covers all needs of this workflow. If any steps (like uploading artifacts or updating statuses) require additional permissions, add them here to avoid runtime errors.

  contents: read