chore(deps): update helm release tofu-controller to v0.16.4

Author: renovate[bot]

cluster/homelab/core/tofu-controller/helm-release.yaml

@@ -12,7 +12,7 @@ spec:
       sourceRef:
         kind: HelmRepository
         name: tofu-controller
-      version: "0.16.3"
+      version: "0.16.4"
   interval: 10m
   releaseName: tofu-controller
   targetNamespace: flux-system