ci: output selected latest stable upstream tag version

.github/workflows/sync.yml

@@ -37,6 +37,8 @@ jobs:
         git fetch tmp_upstream --tags
         latest_tag_commit=$(git ls-remote --tags --sort=committerdate tmp_upstream|egrep -iv 'helm|rc'|tail -1|awk '{print $1}')
         latest_tag=$(git ls-remote --tags --sort=committerdate tmp_upstream|egrep -iv 'helm|rc'|tail -1|awk '{print $2}')
+        echo "Latest stable tag: $latest_tag"
+        echo "Latest stable tag commit: $latest_tag_commit"
         echo LATEST_TAG=${latest_tag} >> $GITHUB_ENV
 
         echo "Pushing the latest tag commit as the origin SYNC_DEST_BRANCH"
@@ -59,4 +61,4 @@ jobs:
           :crown: *An automated PR to sync with upstream*
           
           Co-authored-by: josedev-union josedev-union@users.noreply.github.com
-        pr_reviewer: "HariSeldon23"
+        pr_reviewer: "HariSeldon23"