added option to skip sealed-secret subchart install

Author: ATGardner

charts/gitops-runtime/Chart.yaml

@@ -38,6 +38,7 @@ dependencies:
   - name: sealed-secrets
     repository: https://bitnami-labs.github.io/sealed-secrets/
     version: 2.16.1
+    condition: sealed-secrets.enabled
   - name: codefresh-tunnel-client
     repository: oci://quay.io/codefresh/charts
     version: 0.1.18