add workflow to helm release and update ct for branch (#11378)

Signed-off-by: James Strong <strong.james.e@gmail.com>
Co-authored-by: James Strong <strong.james.e@gmail.com>

Author: k8s-infra-cherrypick-robot

.github/workflows/helm.yaml

@@ -5,6 +5,8 @@ on:
     branches:
       - main
       - release-*
+  
+  workflow_dispatch:
 
 permissions:
   contents: read
@@ -39,7 +41,7 @@ jobs:
         uses: helm/chart-testing-action@e6669bcd63d7cb57cb4380c33043eebe5d111992 # v2.6.1
 
       - name: Run chart-testing (lint)
-        run: ct lint --config ./.ct.yaml
+        run: ct lint --config --target-branch ${{ github.ref_name }} ./.ct.yaml
 
       - uses: dorny/paths-filter@de90cc6fb38fc0963ad72b210f1f284cd68cea36 # v3.0.2
         id: filter