ci: change submodule_update PR branch name to use a timestamp strategy#2387

jpsim merged 1 commit intomainenvoyproxy/envoy-mobile:mainfrom

ci-change-submodule_update-pr-branch-name-to-use-a-timestamp-strategyenvoyproxy/envoy-mobile:ci-change-submodule_update-pr-branch-name-to-use-a-timestamp-strategyCopy head branch name to clipboard