Revert "[dependabot npm disable] Temporarily disable npm version updates"

Author: ddmiket

.github/dependabot.yml

@@ -1,15 +1,17 @@
 version: 2
+
 multi-ecosystem-groups:
   repo-dependencies:
     schedule:
       interval: "monthly"
+
 updates:
   - package-ecosystem: "github-actions"
     directory: "/"
     patterns: ["*"]
     multi-ecosystem-group: "repo-dependencies"
+
   - package-ecosystem: "npm"
     directory: "/"
     patterns: ["*"]
     multi-ecosystem-group: "repo-dependencies"
-    open-pull-requests-limit: 0