Upgrade to GitHub-native Dependabot

Author: dependabot-preview[bot]

.github/dependabot.yml

@@ -0,0 +1,14 @@
+version: 2
+updates:
+- package-ecosystem: nuget
+  directory: "/"
+  schedule:
+    interval: daily
+    time: "06:45"
+    timezone: Asia/Dacca
+  open-pull-requests-limit: 10
+  target-branch: develop
+  ignore:
+  - dependency-name: Simplify.Web
+    versions:
+    - 4.3.0