update dependabot.yml

.gitlab/dependabot.yml

 version: 2
+update-options:
+  rebase-strategy: all
+  reviewers:
+    - grant
+  vulnerability-alerts:
+    enabled: true
+    confidential: true
+    assignees:
+      - grant
 updates:
   - package-ecosystem: "npm"
     directories:
@@ -9,21 +18,7 @@ updates:
       - "/packages/server"
     schedule:
       interval: "daily"
-    reviewers:
-      - grant
-    vulnerability-alerts:
-      enabled: true
-      confidential: true
-      assignees:
-        - grant
   - package-ecosystem: "docker"
     directory: "/"
     schedule:
       interval: "weekly"
-    reviewers:
-      - grant
-    vulnerability-alerts:
-      enabled: true
-      confidential: true
-      assignees:
-        - grant