Add use of the right GH Token and push last tag

Author: fantonangeli

.github/workflows/upstream-sync.yml

@@ -1,9 +1,10 @@
 name: Sync main-apache branch with upstream/main
 
 env:
-  USERNAME: github-actions[bot]
-  USEREMAIL: github-actions[bot]@users.noreply.github.com
+  USERNAME: kie-ci
+  USEREMAIL: kie-ci0@redhat.com
   UPSTREAM_REMOTE: https://github.com/apache/incubator-kie-kogito-serverless-operator.git
+  GITHUB_TOKEN: ${{ secrets.APACHE_SYNC_MIDSTREAM_TOKEN }}
 
 on:
   schedule:
@@ -17,7 +18,9 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
+        with:
+          token: ${{ secrets.APACHE_SYNC_MIDSTREAM_TOKEN }}
 
       - name: Setup git environment
         run: |
@@ -26,14 +29,19 @@ jobs:
           git remote add upstream $UPSTREAM_REMOTE
 
       - name: Fetch all
-        run: git fetch --all
+        run: git fetch --all --tags
 
       - name: Checkout main-apache branch
         run: git checkout --track origin/main-apache
 
+      - name: Pull main-apache branch
+        run: git pull
+
       - name: Merge upstream/main branch
         run: git merge --no-edit upstream/main
 
       - name: Push changes
-        run: git push origin main-apache
+        run: git push
 
+      - name: Push last tag
+        run: git push origin $(git tag --sort=creatordate | tail -n 1)