build(deps): bump step-security/harden-runner from 2.8.1 to 2.9.1

Bumps [step-security/harden-runner](https://github.com/step-security/harden-runner) from 2.8.1 to 2.9.1.
- [Release notes](https://github.com/step-security/harden-runner/releases)
- [Commits](https://github.com/step-security/harden-runner/compare/17d0e2bd7d51742c71671bd19fa12bdc9d40a3d6...5c7944e73c4c2a096b17a9cb74d65b6c2bbafbde)

---
updated-dependencies:
- dependency-name: step-security/harden-runner
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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