Update dependabot.yml

Author: pedrompflopes

.github/dependabot.yml

@@ -1,11 +1,9 @@
-# https://help.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
 version: 2
-
 updates:
-  # Maintain dependencies for Docker
-  - package-ecosystem: "docker"
+  - package-ecosystem: "npm"
     directory: "/"
-    commit_message:
-      prefix: "CNS-11"
     schedule:
       interval: "weekly"
+    commit-message:
+      # Prefix all commit messages with "npm: "
+      prefix: "npm"