chore: setup dependabot for the ui (#2128)

* chore: setup dependabot for the ui

* cargo update the backend too

Author: ellie

.github/dependabot.yml

@@ -9,6 +9,14 @@ updates:
     directory: "/" # Location of package manifests
     schedule:
       interval: "weekly"
+  - package-ecosystem: "cargo" # See documentation for possible values
+    directory: "/ui/backend" # Location of package manifests
+    schedule:
+      interval: "weekly"
+  - package-ecosystem: "npm" # See documentation for possible values
+    directory: "/ui" # Location of package manifests
+    schedule:
+      interval: "weekly"
   - package-ecosystem: "docker" # See documentation for possible values
     directory: "/" # Location of package manifests
     schedule: