oparl: push after each commit

last step fails too often :(

hosts/containers/oparl/default.nix

@@ -60,12 +60,14 @@ in
       pushd data
       find . -name \*.json -exec git add "{}" +
       git commit -m update || true
+      git push origin master
       popd
 
       meetings2ics data/meetings/ > data/meetings.ics
       pushd data
       git add meetings.ics
       git commit -m "update meetings.ics" || true
+      git push origin master
       popd
 
       files_extract