chore(deps): update helm release authentik to v2025.12.3

| datasource | package   | from     | to        |
| ---------- | --------- | -------- | --------- |
| helm       | authentik | 2025.8.4 | 2025.12.3 |

Author: samip5-bot[bot]

kubernetes/apps/security/idp/manifest.yaml

@@ -11,7 +11,7 @@ spec:
   source:
     chart: authentik
     repoURL: https://charts.goauthentik.io
-    targetRevision: 2025.8.4
+    targetRevision: 2025.12.3
     helm:
       valuesObject:
         global: