workflow: push right after rebasing

.gitea/workflows/update-flake.yaml

@@ -22,7 +22,7 @@ jobs:
           git config user.name "Gitea Actions"
           git config user.email "actions@gitea.local"
 
-      - name: Merge main branch
+      - name: Rebase from main branch
         shell: bash
         run: |
             commits_ahead=$(git rev-list --count HEAD..origin/main)
@@ -35,6 +35,7 @@ jobs:
             if [ $commits_ahead -ne 0 ]
             then
               git rebase -X theirs origin/main
+              git push --force-with-lease origin flake-updates
             else
               echo "Rebase not necessary"
             fi