chore(deps): update flux-operator docker tag to v0.57.0 (#1862)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

kubernetes/apps/infrastructure/operators/flux-operator/app/helmrelease.yaml

@@ -8,7 +8,7 @@ spec:
   chart:
     spec:
       chart: flux-operator
-      version: 0.56.0
+      version: 0.57.0
       sourceRef:
         kind: HelmRepository
         name: controlplaneio