Add Dependabot config

.dependabot/config.yml

@@ -0,0 +1,9 @@
+version: 1
+update_configs:
+  - package_manager: "javascript"
+    directory: "/"
+    update_schedule: "weekly"
+    default_labels:
+      - "Dependency upgrade"
+    default_reviewers:
+      - "liyasthomas"