Add dependabot config (#4427)

This adds a 2.0 version of the dependabot config file.

Author: BillWagner

.github/dependabot.yml

@@ -0,0 +1,23 @@
+# Generated by https://github.com/richlander/dependadotnet
+version: 2
+updates:
+- package-ecosystem: nuget
+  directory: "/samples/snippets/fsharp/VS_Snippets_CLR_System/system.console.class/fs" # fontlink1.fsproj
+  schedule:
+    interval: daily
+  open-pull-requests-limit: 10
+- package-ecosystem: nuget
+  directory: "/samples/snippets/csharp/VS_Snippets_CLR_System/system.collections.generic.equalitycomparer.default/cs" # cs.csproj
+  schedule:
+    interval: daily
+  open-pull-requests-limit: 10
+- package-ecosystem: nuget
+  directory: "/samples/snippets/csharp/VS_Snippets_CLR_System/system.invalidoperationexception.threading.uwp/cs" # UWPCrossThreadSolutionCS.csproj
+  schedule:
+    interval: daily
+  open-pull-requests-limit: 10
+- package-ecosystem: nuget
+  directory: "/samples/snippets/visualbasic/VS_Snippets_CLR_System/system.collections.generic.equalitycomparer.default/vb" # vb.vbproj
+  schedule:
+    interval: daily
+  open-pull-requests-limit: 10