fix: use ubuntu latest...

.gitea/workflows/push.yaml

@@ -8,13 +8,11 @@ on:
 jobs:
   publish:
     name: deploy
-    runs-on: helm
+    runs-on: ubuntu-latest
 
     steps:
-    - name: add git
-      run: apk add --no-cache git
-    - name: clone repo
-      run: git clone ${{ gitea.server_url }}/${{ gitea.repository }}@${{gitea.sha}} --depth=1 .
+    - uses: actions/checkout@v4
+    - uses: azure/setup-helm@v4.2.0
     - name: add helm push plugin
       run: helm plugin install https://github.com/chartmuseum/helm-push
     - name: add gitea repo