Upgrade to GitHub-native Dependabot

.github/dependabot.yml

@@ -0,0 +1,31 @@
+version: 2
+updates:
+- package-ecosystem: npm
+  directory: "/"
+  schedule:
+    interval: daily
+    time: "08:00"
+    timezone: Australia/Sydney
+  open-pull-requests-limit: 10
+  ignore:
+  - dependency-name: css-loader
+    versions:
+    - 5.0.1
+    - 5.0.2
+    - 5.1.1
+    - 5.1.2
+    - 5.1.3
+    - 5.2.0
+    - 5.2.1
+  - dependency-name: jsdom
+    versions:
+    - 16.4.0
+    - 16.5.0
+    - 16.5.1
+    - 16.5.2
+  - dependency-name: semver
+    versions:
+    - 7.3.4
+  - dependency-name: karma-electron
+    versions:
+    - 6.3.1