(build) Changed to build v3.4.3

We need to update the build version to be the version we want to
publish.
Without making this change, we would still be building version 3.5.0.

Author: AdmiringWorm

build/config.props

@@ -13,8 +13,8 @@
     <!-- **  Change for each new version -->
     <!-- when changing any of the NuGetVersion props below, run tools-local\ship-public-apis -->
     <MajorNuGetVersion Condition="'$(MajorNuGetVersion)' == ''">3</MajorNuGetVersion>
-    <MinorNuGetVersion Condition="'$(MinorNuGetVersion)' == ''">5</MinorNuGetVersion>
-    <PatchNuGetVersion Condition="'$(PatchNuGetVersion)' == ''">0</PatchNuGetVersion>
+    <MinorNuGetVersion Condition="'$(MinorNuGetVersion)' == ''">4</MinorNuGetVersion>
+    <PatchNuGetVersion Condition="'$(PatchNuGetVersion)' == ''">3</PatchNuGetVersion>
     <SemanticVersion Condition=" '$(SemanticVersion)' == '' ">$(MajorNuGetVersion).$(MinorNuGetVersion).$(PatchNuGetVersion)</SemanticVersion>
 
     <!-- ** Change for each new preview/rc -->