Bump step-security/harden-runner from 1.5.0 to 2.6.1

Bumps [step-security/harden-runner](https://github.com/step-security/harden-runner) from 1.5.0 to 2.6.1.
- [Release notes](https://github.com/step-security/harden-runner/releases)
- [Commits](step-security/harden-runner@2e205a2...eb238b5)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/docker.yml

@@ -30,7 +30,7 @@ jobs:
       id-token: write
     steps:
       - name: Harden Runner
-        uses: step-security/harden-runner@2e205a28d0e1da00c5f53b161f4067b052c61f34 # v1.5.0
+        uses: step-security/harden-runner@eb238b55efaa70779f274895e782ed17c84f2895 # v2.6.1
         with:
           egress-policy: block
           disable-telemetry: true