Use Arcade v3 publishing

Author: JoeRobich

azure-pipelines-official.yml

@@ -320,6 +320,7 @@ stages:
 - ${{ if and(ne(variables['System.TeamProject'], 'public'), notin(variables['Build.Reason'], 'PullRequest')) }}:
   - template: eng\common\templates\post-build\post-build.yml
     parameters:
+      publishingInfraVersion: 3
       # Symbol validation is not entirely reliable as of yet, so should be turned off until
       # https://github.com/dotnet/arcade/issues/2871 is resolved.
       enableSymbolValidation: false

eng/Publishing.props

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project>
+   <PropertyGroup>
+      <PublishingVersion>3</PublishingVersion>
+   </PropertyGroup>
+</Project>