Manually update PR check workflow

Author: angelapwen

pr-checks/checks/rubocop-multi-language.yml

@@ -5,7 +5,7 @@ operatingSystems: ["ubuntu"]
 versions: ["default"]
 steps:
   - name: Set up Ruby
-    uses: ruby/setup-ruby@1a615958ad9d422dd932dc1d5823942ee002799f # v1.227.0
+    uses: ruby/setup-ruby@354a1ad156761f5ee2b7b13fa8e09943a5e8d252 # v1.229.0
     with:
       ruby-version: 2.6
   - name: Install Code Scanning integration