Merge pull request #14231 from ctaggart/sourcelink-create

use SourceLink.Create.CommandLine instead of Embed
diff --git a/src/csharp/Grpc.Core/SourceLink.csproj.include b/src/csharp/Grpc.Core/SourceLink.csproj.include
index 02ae79f..0ec273f 100755
--- a/src/csharp/Grpc.Core/SourceLink.csproj.include
+++ b/src/csharp/Grpc.Core/SourceLink.csproj.include
@@ -13,7 +13,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="SourceLink.Embed.AllSourceFiles" Version="2.7.3" PrivateAssets="all" />
+    <PackageReference Include="SourceLink.Create.CommandLine" Version="2.7.6" PrivateAssets="all" />
   </ItemGroup>
 
 </Project>