chore(deps): update ruby/setup-ruby action to v1.304.0 (#276)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/gem-release.yml

@@ -23,7 +23,7 @@ jobs:
         with:
           ref: ${{ github.event.release.tag_name || inputs.tag }}
 
-      - uses: ruby/setup-ruby@7372622e62b60b3cb750dcd2b9e32c247ffec26a # v1.302.0
+      - uses: ruby/setup-ruby@94e4d89d3e6c1c7599e0210d114c5ffb23f1a866 # v1.304.0
       - run: bundle install
 
       - name: Build Gem