Update github sourcelink package to version 1.0.0

src/Directory.Build.props

@@ -25,7 +25,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.1.0" PrivateAssets="All"/>
+    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0" PrivateAssets="All"/>
     <PackageReference Include="JetBrains.Annotations" Version="2021.3.0" PrivateAssets="All" />
   </ItemGroup>