Create dependabot.yml (#1468)

Manually create GitHub-Native Dependabot configuration.

Author: andyleejordan

.dependabot/config.yml

@@ -0,0 +1,10 @@
+version: 2
+updates:
+- package-ecosystem: nuget
+  directory: "/"
+  schedule:
+    interval: daily
+    time: "05:00"
+    timezone: America/Los_Angeles
+  assignees:
+    - "andschwa"