build(deps): bump step-security/harden-runner from 2.6.0 to 2.6.1 (#369)

Bumps [step-security/harden-runner](/~https://github.com/step-security/harden-runner) from 2.6.0 to 2.6.1.
- [Release notes](/~https://github.com/step-security/harden-runner/releases)
- [Commits](step-security/harden-runner@1b05615...eb238b5)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/udpate-docs.yml

@@ -30,7 +30,7 @@ jobs:
     steps:
 
     - name: Harden Runner
-      uses: step-security/harden-runner@1b05615854632b887b69ae1be8cbefe72d3ae423
+      uses: step-security/harden-runner@eb238b55efaa70779f274895e782ed17c84f2895
       with:
         egress-policy: audit # TODO: change to 'egress-policy: block' after couple of runs