Upgrade to GitHub-native Dependabot

.github/dependabot.yml

@@ -0,0 +1,52 @@
+version: 2
+updates:
+- package-ecosystem: npm
+  directory: "/"
+  schedule:
+    interval: daily
+  open-pull-requests-limit: 10
+  ignore:
+  - dependency-name: yeoman-generator
+    versions:
+    - ">= 5.a, < 6"
+  - dependency-name: yeoman-test
+    versions:
+    - ">= 5.a, < 6"
+  - dependency-name: mocha
+    versions:
+    - 8.2.1
+    - 8.3.0
+    - 8.3.1
+    - 8.3.2
+  - dependency-name: eslint
+    versions:
+    - 7.18.0
+    - 7.19.0
+    - 7.20.0
+    - 7.21.0
+  - dependency-name: yeoman-test
+    versions:
+    - 4.0.0
+    - 4.0.1
+  - dependency-name: js-yaml
+    versions:
+    - 4.0.0
+  - dependency-name: sinon
+    versions:
+    - 9.2.4
+  - dependency-name: camelcase
+    versions:
+    - 6.2.0
+  - dependency-name: decamelize
+    versions:
+    - 5.0.0
+  - dependency-name: chai
+    versions:
+    - 4.3.0
+  - dependency-name: yeoman-generator
+    versions:
+    - 4.12.0
+    - 4.13.0
+  - dependency-name: lodash
+    versions:
+    - 4.17.20