build(deps): Bump step-security/harden-runner from 2.8.1 to 2.13.0

Bumps [step-security/harden-runner](https://github.com/step-security/harden-runner) from 2.8.1 to 2.13.0.
- [Release notes](https://github.com/step-security/harden-runner/releases)
- [Commits](step-security/harden-runner@17d0e2b...ec9f2d5)

---
updated-dependencies:
- dependency-name: step-security/harden-runner
  dependency-version: 2.13.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

.github/workflows/cibuild.yml

@@ -27,7 +27,7 @@ jobs:
       BUNDLE_PATH: vendor/bundle
     steps:
     - name: Harden Runner
-      uses: step-security/harden-runner@17d0e2bd7d51742c71671bd19fa12bdc9d40a3d6 # v2.8.1
+      uses: step-security/harden-runner@ec9f2d5744a09debf3a187a3f4f675c53b671911 # v2.13.0
       with:
         egress-policy: audit # TODO: change to 'egress-policy: block' after couple of runs