Upgrade to GitHub-native Dependabot

.github/dependabot.yml

@@ -0,0 +1,50 @@
+version: 2
+updates:
+- package-ecosystem: npm
+  directory: "/"
+  schedule:
+    interval: daily
+    time: "10:00"
+  open-pull-requests-limit: 10
+  ignore:
+  - dependency-name: eslint
+    versions:
+    - 7.20.0
+    - 7.21.0
+    - 7.22.0
+    - 7.23.0
+    - 7.24.0
+  - dependency-name: "@microsoft/microsoft-graph-types"
+    versions:
+    - 1.30.0
+    - 1.31.0
+    - 1.32.0
+    - 1.33.0
+    - 1.34.0
+    - 1.35.0
+  - dependency-name: "@types/chai"
+    versions:
+    - 4.2.15
+    - 4.2.16
+  - dependency-name: "@azure/identity"
+    versions:
+    - 1.2.3
+    - 1.2.4
+    - 1.2.5
+  - dependency-name: mocha
+    versions:
+    - 8.3.0
+    - 8.3.1
+  - dependency-name: typescript
+    versions:
+    - 4.1.5
+    - 4.2.2
+    - 4.2.3
+  - dependency-name: chai
+    versions:
+    - 4.3.0
+    - 4.3.1
+    - 4.3.3
+  - dependency-name: "@types/mocha"
+    versions:
+    - 8.2.1