CT lint dependency build

Signed-off-by: Itay Grudev <[email protected]>

.github/workflows/lint.yml

@@ -37,4 +37,4 @@ jobs:
 
       - name: Run chart-testing (lint)
         run: |
-          ct lint --target-branch=main --check-version-increment=false
+          ct lint --chart-repos cnpg-grafana=https://cloudnative-pg.github.io/grafana-dashboards --target-branch=main --check-version-increment=false