Update the compiling version to the latest MSBuild from that band to fix scanner issues (#39896)

Author: marcpopMSFT

NuGet.config

@@ -28,6 +28,7 @@
     <add key="dotnet-libraries" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-libraries/nuget/v3/index.json" />
     <add key="dotnet-libraries-transport" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-libraries-transport/nuget/v3/index.json" />
     <add key="vs-impl" value="https://pkgs.dev.azure.com/azure-public/vside/_packaging/vs-impl/nuget/v3/index.json" />
+    <add key="darc-pub-DotNet-msbuild-Trusted-a400405b" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-DotNet-msbuild-Trusted-a400405b/nuget/v3/index.json" />
     <!-- Used for Rich Navigation indexing task -->
     <add key="richnav" value="https://pkgs.dev.azure.com/azure-public/vside/_packaging/vs-buildservices/nuget/v3/index.json" />
   </packageSources>

eng/Versions.props

@@ -113,7 +113,7 @@
           so target one that matches the version in minimumMSBuildVersion.
 
           This avoids the need to juggle references to packages that have been updated in newer MSBuild. -->
-    <MicrosoftBuildPackageVersion Condition="exists('$(RepoRoot)\src\Layout\redist\minimumMSBuildVersion') and '$(DotNetBuildFromSource)' != 'true'">$([System.IO.File]::ReadAllText('$(RepoRoot)\src\Layout\redist\minimumMSBuildVersion').Trim())</MicrosoftBuildPackageVersion>
+    <MicrosoftBuildPackageVersion Condition="'$(DotNetBuildFromSource)' != 'true'">17.3.4</MicrosoftBuildPackageVersion>
     <MicrosoftBuildFrameworkPackageVersion>$(MicrosoftBuildPackageVersion)</MicrosoftBuildFrameworkPackageVersion>
     <MicrosoftBuildRuntimePackageVersion>$(MicrosoftBuildPackageVersion)</MicrosoftBuildRuntimePackageVersion>
     <MicrosoftBuildLocalizationPackageVersion>17.4.8-preview-23319-01</MicrosoftBuildLocalizationPackageVersion>