Update dependabot.yml

.github/dependabot.yml

@@ -1,10 +1,11 @@
-version: 2
+# To get started with Dependabot version updates, you'll need to specify which
+# package ecosystems to update and where the package manifests are located.
+# Please see the documentation for all configuration options:
+# https://help.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
 
-# Only enable cargo, turn off npm from wasm example
+version: 2
 updates:
-  - package-ecosystem: "cargo"
-    directory: "/"
+  - package-ecosystem: "cargo" # See documentation for possible values
+    directory: "/" # Location of package manifests
     schedule:
       interval: "weekly"
-    # disable regular version updates, security updates are unaffected
-    open-pull-requests-limit: 0