Upgrade to GitHub-native Dependabot (#97)

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

Author: dependabot-preview[bot]

.github/dependabot.yml

@@ -0,0 +1,36 @@
+version: 2
+updates:
+- package-ecosystem: npm
+  directory: "/"
+  schedule:
+    interval: daily
+  open-pull-requests-limit: 2
+  ignore:
+  - dependency-name: "@types/node"
+    versions:
+    - 14.14.22
+    - 14.14.24
+    - 14.14.25
+    - 14.14.26
+    - 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: y18n
+    versions:
+    - 4.0.1
+    - 4.0.2
+    - 4.0.3
+  - dependency-name: "@types/jest"
+    versions:
+    - 26.0.20
+    - 26.0.21
+    - 26.0.22