Upgrade to GitHub-native Dependabot

.github/dependabot.yml

@@ -0,0 +1,55 @@
+version: 2
+updates:
+- package-ecosystem: npm
+  directory: "/"
+  schedule:
+    interval: weekly
+  open-pull-requests-limit: 10
+  ignore:
+  - dependency-name: "@fortawesome/fontawesome-svg-core"
+    versions:
+    - "> 1.2.30, < 1.3"
+  - dependency-name: "@fortawesome/free-brands-svg-icons"
+    versions:
+    - ">= 5.15.a, < 5.16"
+  - dependency-name: "@fortawesome/free-regular-svg-icons"
+    versions:
+    - ">= 5.15.a, < 5.16"
+  - dependency-name: "@fortawesome/free-solid-svg-icons"
+    versions:
+    - ">= 5.15.a, < 5.16"
+  - dependency-name: css-loader
+    versions:
+    - 5.0.1
+    - 5.0.2
+    - 5.1.0
+    - 5.1.1
+    - 5.1.2
+    - 5.1.3
+    - 5.2.0
+  - dependency-name: vuex
+    versions:
+    - 3.6.0
+  - dependency-name: "@babel/plugin-proposal-optional-chaining"
+    versions:
+    - 7.12.13
+    - 7.12.16
+    - 7.12.17
+    - 7.12.7
+    - 7.13.8
+  - dependency-name: core-js
+    versions:
+    - 3.10.0
+    - 3.8.3
+    - 3.9.0
+    - 3.9.1
+  - dependency-name: y18n
+    versions:
+    - 4.0.1
+  - dependency-name: pug-code-gen
+    versions:
+    - 3.0.2
+  - dependency-name: webpack-cli
+    versions:
+    - 4.4.0
+    - 4.5.0