ci: do not trigger build on e tag pushes in oss repo

.github/workflows/_push-entrypoint.yaml

@@ -8,7 +8,6 @@ on:
   push:
     tags:
       - 'v*'
-      - 'e*'
     branches:
       - 'master'
       - 'release-5[0-9]'

scripts/rel/cut.sh

@@ -283,6 +283,6 @@ if [ "$DRYRUN" = 'yes' ]; then
 else
     git tag "$TAG"
     logmsg "$TAG is created OK."
-    logwarn "Don't forget to push the tag!"
+    logwarn "Don't forget to push the tag! to both emqx.git and emqx-platform.git"
     echo "git push origin $TAG"
 fi