[release/10.0.2xx] Manually set source tag to a 10.0.2xx build (#51541)

Author: dkurepa

eng/Version.Details.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Dependencies>
-  <Source Uri="https://github.com/dotnet/dotnet" Mapping="sdk" Sha="79c85d969a02abd06c2202949318fd4c21e5e7a0" BarId="287426" />
+  <Source Uri="https://github.com/dotnet/dotnet" Mapping="sdk" Sha="5558d2da527906dd610d5bfa63177e67e515b5e7" BarId="285880" />
   <ProductDependencies>
     <Dependency Name="Microsoft.TemplateEngine.Abstractions" Version="10.0.100-rc.2.25502.107">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-dotnet</Uri>