Bump step-security/harden-runner from 2.12.1 to 2.12.2

Bumps [step-security/harden-runner](https://github.com/step-security/harden-runner) from 2.12.1 to 2.12.2.
- [Release notes](https://github.com/step-security/harden-runner/releases)
- [Commits](https://github.com/step-security/harden-runner/compare/002fdce3c6a235733a90a27c80493a3241e56863...6c439dc8bdf85cadbbce9ed30d1c7b959517bc49

)

---
updated-dependencies:
- dependency-name: step-security/harden-runner
  dependency-version: 2.12.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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