Merge pull request #526 from ruby/dependabot/github_actions/step-security/harden-runner-2.17.0

Bump step-security/harden-runner from 2.16.1 to 2.17.0

Author: hsbt

.github/workflows/push_gem.yml

@@ -30,7 +30,7 @@ jobs:
 
     steps:
       - name: Harden Runner
-        uses: step-security/harden-runner@fe104658747b27e96e4f7e80cd0a94068e53901d # v2.16.1
+        uses: step-security/harden-runner@f808768d1510423e83855289c910610ca9b43176 # v2.17.0
         with:
           egress-policy: audit