Consider nuget push failure non-critical

AArnott · AArnott · commit 8b558a513d0f · 2020-12-09T22:56:40.000-07:00
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
@@ -96,3 +96,4 @@ stages:
         command: push
         packagesToPush: $(Pipeline.Workspace)/nuget/*.nupkg
         publishVstsFeed: MessagePack-CSharp/MessagePack-CI
+      continueOnError: true
