chore: Update release_pr.yml (#2989)

Author: tylerjroach

.github/workflows/release_pr.yml

@@ -31,7 +31,7 @@ jobs:
         ref: ${{ env.BASE_BRANCH }}
         fetch-depth: 0
     - name: Set up Ruby
-      uses: ruby/setup-ruby@8575951200e472d5f2d95c625da0c7bec8217c42 # v1.161.0
+      uses: ruby/setup-ruby@32110d4e311bd8996b2a82bf2a43b714ccc91777 # v1.221.0
       with:
         ruby-version: "3.0"
     - name: Install dependencies