Upgrade to GitHub-native Dependabot

Author: dependabot-preview[bot]

.github/dependabot.yml

@@ -0,0 +1,18 @@
+version: 2
+updates:
+- package-ecosystem: npm
+  directory: "/"
+  schedule:
+    interval: daily
+  open-pull-requests-limit: 10
+  ignore:
+  - dependency-name: uglify-js
+    versions:
+    - 3.12.5
+    - 3.12.6
+    - 3.12.7
+    - 3.12.8
+    - 3.13.0
+    - 3.13.1
+    - 3.13.2
+    - 3.13.3