Upgrade to GitHub-native Dependabot

.github/dependabot.yml

@@ -0,0 +1,40 @@
+version: 2
+registries:
+  npm-registry-registry-npmjs-org:
+    type: npm-registry
+    url: https://registry.npmjs.org
+    token: "${{secrets.NPM_REGISTRY_REGISTRY_NPMJS_ORG_TOKEN}}"
+  npm-registry-registry-yarnpkg-com:
+    type: npm-registry
+    url: https://registry.yarnpkg.com
+    token: "${{secrets.NPM_REGISTRY_REGISTRY_YARNPKG_COM_TOKEN}}"
+
+updates:
+- package-ecosystem: npm
+  directory: "/"
+  schedule:
+    interval: daily
+    time: "19:00"
+  labels:
+  - dependabot
+  versioning-strategy: increase
+  ignore:
+  - dependency-name: y18n
+    versions:
+    - 4.0.1
+  - dependency-name: "@babel/helper-module-transforms"
+    versions:
+    - 7.12.1
+    - 7.13.0
+  - dependency-name: "@babel/plugin-transform-exponentiation-operator"
+    versions:
+    - 7.12.1
+  - dependency-name: lodash
+    versions:
+    - 4.17.20
+  - dependency-name: elliptic
+    versions:
+    - 6.5.3
+  registries:
+  - npm-registry-registry-npmjs-org
+  - npm-registry-registry-yarnpkg-com