chore: bump step-security/harden-runner from 2.6.1 to 2.7.0

Bumps [step-security/harden-runner](https://github.com/step-security/harden-runner) from 2.6.1 to 2.7.0.
- [Release notes](https://github.com/step-security/harden-runner/releases)
- [Commits](step-security/harden-runner@eb238b5...63c24ba)

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

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

.github/workflows/create-release.yml

@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
       - name: Harden Runner
-        uses: step-security/harden-runner@eb238b55efaa70779f274895e782ed17c84f2895 # v2.6.1
+        uses: step-security/harden-runner@63c24ba6bd7ba022e95695ff85de572c04a18142 # v2.7.0
         with:
           egress-policy: audit
       - name: Set up Go ${{ env.GO_VERSION }}