chore: release v0.8.1 (monthly dependency patch)

[github-actions]

Monthly dependency patch: v0.8.1

This PR was opened automatically. It bumps the patch version to capture
12 Dependabot update(s) merged to develop since the last release.

What to do

1. Review the dependency commits included in this release
2. Merge this PR into develop
3. Promote develop to main via CLI merge (or run /publish-release)
4. Push the tag to trigger the release pipeline

Note: if required checks show as expected without running, close and
reopen this PR once. PRs created with the default GITHUB_TOKEN do not
trigger CI; pass RELEASE_PR_TOKEN to the reusable workflow to avoid this.