Upgrade to GitHub-native Dependabot

.dependabot/config.yml

@@ -1,9 +0,0 @@
-version: 1
-update_configs:
-  - package_manager: "dotnet:nuget"
-    directory: "/"
-    update_schedule: "weekly"
-
-    default_labels:
-      - "kind/dependency"
-      - "do-not-merge/work-in-progress"

.github/dependabot.yml

@@ -0,0 +1,34 @@
+version: 2
+updates:
+- package-ecosystem: nuget
+  directory: "/"
+  schedule:
+    interval: weekly
+    time: "10:00"
+  open-pull-requests-limit: 10
+  labels:
+  - kind/dependency
+  - do-not-merge/work-in-progress
+  ignore:
+  - dependency-name: Microsoft.Extensions.Logging.Console
+    versions:
+    - "> 1.1.1"
+  - dependency-name: Microsoft.Extensions.Logging.Console
+    versions:
+    - ">= 3.1.a, < 3.2"
+  - dependency-name: Uno.UI
+    versions:
+    - 3.4.0
+    - 3.5.1
+    - 3.6.6
+  - dependency-name: Uno.Wasm.Bootstrap
+    versions:
+    - 1.3.6
+    - 2.0.0
+  - dependency-name: Uno.Wasm.Bootstrap.DevServer
+    versions:
+    - 1.3.6
+    - 2.0.0
+  - dependency-name: Microsoft.NETCore.UniversalWindowsPlatform
+    versions:
+    - 6.2.11