Improved dependabot config.

.gitlab/dependabot.yml

@@ -4,10 +4,10 @@ updates:
     directory: "/"
     schedule:
       interval: "daily"
+    # Only create pull requests to update lockfiles. Ignore any new versions that would require package manifest changes.
+    versioning-strategy: lockfile-only
     open-pull-requests-limit: 5
     pull-request-branch-name:
       separator: "/"
     assignees:
       - mg
-    reviewers:
-      - mg