Upgrade to GitHub-native Dependabot

.github/dependabot.yml

@@ -0,0 +1,91 @@
+version: 2
+updates:
+- package-ecosystem: npm
+  directory: "/"
+  schedule:
+    interval: weekly
+    time: "03:00"
+  open-pull-requests-limit: 10
+  labels:
+  - dependencies
+  - worktree
+  ignore:
+  - dependency-name: "@babel/*"
+    versions:
+    - ">= 0"
+  - dependency-name: babel-plugin-preval
+    versions:
+    - ">= 3.0"
+  - dependency-name: core-js
+    versions:
+    - ">= 0"
+  - dependency-name: "@date-io/core"
+    versions:
+    - ">= 0"
+  - dependency-name: "@date-io/date-fns"
+    versions:
+    - ">= 0"
+  - dependency-name: jss-*
+    versions:
+    - ">= 0"
+  - dependency-name: next
+    versions:
+    - 9.x
+  - dependency-name: prettier
+    versions:
+    - ">= 0"
+  - dependency-name: raw-loader
+    versions:
+    - ">= 0"
+  - dependency-name: react-dom
+    versions:
+    - ">= 0"
+  - dependency-name: react-is
+    versions:
+    - ">= 0"
+  - dependency-name: react-test-renderer
+    versions:
+    - ">= 0"
+  - dependency-name: size-limit
+    versions:
+    - ">= 0"
+  - dependency-name: tslint
+    versions:
+    - 5.x
+  - dependency-name: url-loader
+    versions:
+    - ">= 3.0"
+  - dependency-name: react-number-format
+    versions:
+    - 4.4.1
+    - 4.5.2
+  - dependency-name: "@types/styled-components"
+    versions:
+    - 5.1.7
+    - 5.1.8
+  - dependency-name: mocha
+    versions:
+    - 8.2.1
+    - 8.3.0
+  - dependency-name: notistack
+    versions:
+    - 1.0.3
+    - 1.0.5
+  - dependency-name: "@types/react"
+    versions:
+    - 17.0.0
+  - dependency-name: dtslint
+    versions:
+    - 4.0.6
+  - dependency-name: lodash
+    versions:
+    - 4.17.20
+  - dependency-name: prismjs
+    versions:
+    - 1.21.0
+  - dependency-name: elliptic
+    versions:
+    - 6.5.3
+  - dependency-name: handlebars
+    versions:
+    - 4.7.6