Update Helm release oauth2-proxy to v8

Author: renovate[bot]

.ops/ops-dashboard/Chart.lock

@@ -1,15 +1,15 @@
 dependencies:
 - name: oauth2-proxy
   repository: https://oauth2-proxy.github.io/manifests
-  version: 7.18.0
+  version: 8.3.0
 - name: kubernetes-dashboard
   repository: https://kubernetes.github.io/dashboard/
   version: 7.13.0
 - name: oauth2-proxy
   repository: https://oauth2-proxy.github.io/manifests
-  version: 7.18.0
+  version: 8.3.0
 - name: oauth2-proxy
   repository: https://oauth2-proxy.github.io/manifests
-  version: 7.18.0
-digest: sha256:d119e0b8ffb14fc7aee209549ea98ee92c80eefe64a20f4b48a5a7b193efc9c6
-generated: "2025-08-14T11:03:55.532011762Z"
+  version: 8.3.0
+digest: sha256:5a60dabccb5646588ab00f21604daa0e56062f1cb39bebb8cb6b21b6ef2f65cb
+generated: "2025-10-08T20:59:17.595588867Z"

.ops/ops-dashboard/Chart.yaml

@@ -26,16 +26,16 @@ appVersion: 0.1.0
 dependencies:
   - name: oauth2-proxy
     alias: grafana-proxy
-    version: 7.18.0
+    version: 8.3.0
     repository: https://oauth2-proxy.github.io/manifests
   - name: kubernetes-dashboard
     version: 7.13.0
     repository: https://kubernetes.github.io/dashboard/
   - name: oauth2-proxy
     alias: kubernetes-dashboard-proxy
-    version: 7.18.0
+    version: 8.3.0
     repository: https://oauth2-proxy.github.io/manifests
   - name: oauth2-proxy
     alias: logging-proxy
-    version: 7.18.0
+    version: 8.3.0
     repository: https://oauth2-proxy.github.io/manifests