Bump step-security/harden-runner from 2.14.0 to 2.14.2

Bumps [step-security/harden-runner](https://github.com/step-security/harden-runner) from 2.14.0 to 2.14.2.
- [Release notes](https://github.com/step-security/harden-runner/releases)
- [Commits](step-security/harden-runner@20cf305...5ef0c07)

---
updated-dependencies:
- dependency-name: step-security/harden-runner
  dependency-version: 2.14.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

.github/workflows/push_gem.yml

@@ -24,7 +24,7 @@ jobs:
     steps:
       # Set up
       - name: Harden Runner
-        uses: step-security/harden-runner@20cf305ff2072d973412fa9b1e3a4f227bda3c76 # v2.14.0
+        uses: step-security/harden-runner@5ef0c079ce82195b2a36a210272d6b661572d83e # v2.14.2
         with:
           egress-policy: audit