CI/AppImage: Bump libc6 downgrade version

.github/workflows/rolling-release.yml

@@ -213,7 +213,7 @@ jobs:
       run: |
         sudo rm -f /etc/apt/sources.list.d/ubuntu-toolchain-r-ubuntu-test-jammy.list
         sudo apt-get update
-        sudo apt-get install -y --allow-downgrades libc6=2.35-0ubuntu3.4 libc6-dev=2.35-0ubuntu3.4 libstdc++6=12.3.0-1ubuntu1~22.04 libgcc-s1=12.3.0-1ubuntu1~22.04
+        sudo apt-get install -y --allow-downgrades libc6=2.35-0ubuntu3.5 libc6-dev=2.35-0ubuntu3.5 libstdc++6=12.3.0-1ubuntu1~22.04 libgcc-s1=12.3.0-1ubuntu1~22.04
 
     - uses: actions/checkout@v2.3.1
       with: