Upgrade to GitHub-native Dependabot

Author: dependabot-preview[bot]

.github/dependabot.yml

@@ -0,0 +1,41 @@
+version: 2
+updates:
+- package-ecosystem: npm
+  directory: "/"
+  schedule:
+    interval: daily
+    time: "13:00"
+  open-pull-requests-limit: 10
+  ignore:
+  - dependency-name: "@types/node"
+    versions:
+    - 14.14.22
+    - 14.14.25
+    - 14.14.27
+    - 14.14.28
+    - 14.14.30
+    - 14.14.31
+    - 14.14.32
+    - 14.14.33
+    - 14.14.34
+    - 14.14.35
+    - 14.14.36
+    - 14.14.37
+    - 14.14.39
+    - 14.14.41
+    - 15.0.0
+  - dependency-name: "@types/jest"
+    versions:
+    - 26.0.20
+    - 26.0.21
+    - 26.0.22
+  - dependency-name: ts-jest
+    versions:
+    - 26.5.0
+    - 26.5.1
+    - 26.5.2
+    - 26.5.3
+    - 26.5.4
+  - dependency-name: typescript
+    versions:
+    - 3.9.8