Upgrade to GitHub-native Dependabot

Author: dependabot-preview[bot]

.github/dependabot.yml

@@ -0,0 +1,37 @@
+version: 2
+updates:
+- package-ecosystem: npm
+  directory: "/"
+  schedule:
+    interval: daily
+    time: "11:00"
+  open-pull-requests-limit: 10
+  ignore:
+  - dependency-name: underscore
+    versions:
+    - 1.12.0
+    - 1.12.1
+    - 1.13.0
+  - dependency-name: y18n
+    versions:
+    - 4.0.1
+    - 4.0.2
+  - dependency-name: mocha
+    versions:
+    - 8.2.1
+    - 8.3.0
+    - 8.3.1
+  - dependency-name: ffi-napi
+    versions:
+    - 3.1.0
+    - 4.0.1
+    - 4.0.2
+  - dependency-name: ref-napi
+    versions:
+    - 3.0.1
+  - dependency-name: grunt
+    versions:
+    - 1.3.0
+  - dependency-name: lodash
+    versions:
+    - 4.17.20