Update start.sh

start.sh

@@ -1,6 +1,6 @@
 #!/bin/sh
 set -eux
-echo "Push to branch $BRANCH";
+echo "Push to branch ${INPUT_BRANCH}";
 
 header=$(echo -n "ad-m:${INPUT_REPO-TOKEN}" | base64)
 git -c http.extraheader="AUTHORIZATION: basic $header" push origin refs/remotes/origin/master:master;