fix(helm): update chart authentik ( 2025.6.3 → 2025.6.4 )

| datasource | package   | from     | to       |
| ---------- | --------- | -------- | -------- |
| helm       | authentik | 2025.6.3 | 2025.6.4 |

Author: renovate[bot]

kubernetes/apps/authentik/helm-release.yml

@@ -9,7 +9,7 @@ spec:
   chart:
     spec:
       chart: authentik
-      version: 2025.6.3
+      version: 2025.6.4
       interval: 30m
       sourceRef:
         kind: HelmRepository