gitlab: Update chart to 10.3.5.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Change-Id: Iceb58989e8cf4ef54847269cf716913dfb1bab14
diff --git a/gitlab-system/gitlab.yaml b/gitlab-system/gitlab.yaml
index f9d068f..1ee9907 100644
--- a/gitlab-system/gitlab.yaml
+++ b/gitlab-system/gitlab.yaml
@@ -5,7 +5,7 @@
   namespace: gitlab-system
 spec:
   chart:
-    version: "10.2.6"
+    version: "10.3.5"
     values:
       global:
         appConfig: