unpin ruby/setup-ruby action version

Author: vsoch

Diff for: .github/workflows/main.yml

@@ -16,7 +16,7 @@ jobs:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       run: python .github/scripts/add-repos.py
 
-    - uses: ruby/setup-ruby@ec02537da5712d66d4d50a0f33b7eb52773b5ed1
+    - uses: ruby/setup-ruby@v1
       with:
         ruby-version: '3.1' # Not needed with a .ruby-version file
     - run: |