fix(flux): Bump operator to 0.16.0

Author: bjw-s

kubernetes/apps/flux-system/flux-operator/app/helmrelease.yaml

@@ -8,7 +8,7 @@ spec:
   chart:
     spec:
       chart: flux-operator
-      version: 0.15.0
+      version: 0.16.0
       sourceRef:
         kind: HelmRepository
         name: controlplaneio

kubernetes/bootstrap/helmfile.yaml

@@ -59,7 +59,7 @@ releases:
   - name: flux-operator
     namespace: flux-system
     chart: oci://ghcr.io/controlplaneio-fluxcd/charts/flux-operator
-    version: 0.15.0
+    version: 0.16.0
     values:
       - ../apps/flux-system/flux-operator/app/values.yaml
     needs: