added option to skip sealed-secret subchart install

Author: ATGardner

charts/gitops-runtime/Chart.yaml

@@ -31,6 +31,7 @@ dependencies:
 - name: sealed-secrets
   repository: https://bitnami-labs.github.io/sealed-secrets/
   version: 2.14.1
+  condition: sealed-secrets.enabled
 - name: codefresh-tunnel-client
   repository: oci://quay.io/codefresh/charts
   version: 0.1.17