Rebase before push

Author: jcs090218

start.sh

@@ -26,4 +26,6 @@ cd ${INPUT_DIRECTORY}
 remote_repo="${INPUT_GITHUB_URL_PROTOCOL}//${GITHUB_ACTOR}:${INPUT_GITHUB_TOKEN}@${INPUT_GITHUB_URL}/${REPOSITORY}.git"
 git config --local --add safe.directory ${INPUT_DIRECTORY}
 
+git pull --rebase
+
 git push "${remote_repo}" HEAD:${INPUT_BRANCH} --follow-tags $_FORCE_OPTION $_TAGS;