[Release-Only] Make pull linux-jammy-py3.9-gcc11 green (pytorch#153639)

Author: atalman

.github/workflows/pull.yml

@@ -79,6 +79,7 @@ jobs:
       build-environment: linux-jammy-py3.9-gcc11
       docker-image: ${{ needs.linux-jammy-py3_9-gcc11-build.outputs.docker-image }}
       test-matrix: ${{ needs.linux-jammy-py3_9-gcc11-build.outputs.test-matrix }}
+      timeout-minutes: 300
     secrets: inherit
 
   linux-docs: