ci: apt update

Author: missytake

.github/workflows/test-and-deploy-ipv4only.yaml

@@ -72,6 +72,7 @@ jobs:
         run: pytest --pyargs cmdeploy 
 
       - run: |
+          ssh -v root@staging-ipv4.testrun.org apt update
           ssh -v root@staging-ipv4.testrun.org apt install -y git python3.11-venv
           ssh -v root@staging-ipv4.testrun.org git clone https://github.com/chatmail/relay
           ssh -v root@staging-ipv4.testrun.org "cd relay && git checkout " ${{ github.head_ref }}