Add matrix to deploy stage

Author: n0str

.github/workflows/push-helm.yaml

@@ -20,6 +20,8 @@ jobs:
     if: startsWith(github.ref, 'refs/tags/v')
     needs: lint
     runs-on: ubuntu-latest
+    strategy:
+      matrix: { dir: ['core', 'github', 'notify'] }
     steps:
       - name: Checkout
         uses: actions/checkout@v3