Set the publishing infra version to 3 (#59166)

Before this was not important because runtime was calling its own publishing tasks with the property explicitly set, but since the introduction of arcade powered source build this property is needed to avoid ArPow from defaulting to v2.

diff --git a/eng/Publishing.props b/eng/Publishing.props
index ba44e57..920e79c 100644 (file)
--- a/eng/Publishing.props
+++ b/eng/Publishing.props
@@ -1,3 +1,6 @@
 <Project>
   <!-- TODO: Consolidate the Publishing.props files into here. -->
+  <PropertyGroup>
+    <PublishingVersion>3</PublishingVersion>
+  </PropertyGroup>
 </Project>
\ No newline at end of file