GA: update guc-tests revision to latest

Author: pablode

.github/workflows/run-tests.yml

@@ -19,7 +19,7 @@ on:
       tests-revision:
         required: false
         type: string
-        default: 'd635124ed804802a519f0571297e0c02b97f9413'
+        default: '461b4d991cf90eb804d3cdb0559d726197a6bfa5'
       test-filter:
         required: false
         type: string