Merge pull request #4743 from kolyshkin/retry-ppa

ci/cross-i386: retry adding ppa

Author: AkihiroSuda

.github/workflows/test.yml

@@ -192,8 +192,8 @@ jobs:
     - name: install deps
       run: |
         sudo dpkg --add-architecture i386
-        # add criu repo
-        sudo add-apt-repository -y ppa:criu/ppa
+        # Add criu repo. The web server returns gateway timeout, thus the retry.
+        sudo add-apt-repository -y ppa:criu/ppa || sudo add-apt-repository -y ppa:criu/ppa
         # apt-add-repository runs apt update so we don't have to.
 
         sudo apt -qy install libseccomp-dev libseccomp-dev:i386 gcc-multilib libgcc-s1:i386 criu