Merge pull request #380 from ruby/dependabot/github_actions/step-security/harden-runner-2.10.4

⬆️ Bump step-security/harden-runner from 2.10.3 to 2.10.4

Author: hsbt

.github/workflows/push_gem.yml

@@ -24,7 +24,7 @@ jobs:
     steps:
       # Set up
       - name: Harden Runner
-        uses: step-security/harden-runner@c95a14d0e5bab51a9f56296a4eb0e416910cd350 # v2.10.3
+        uses: step-security/harden-runner@cb605e52c26070c328afc4562f0b4ada7618a84e # v2.10.4
         with:
           egress-policy: audit