Bump Microsoft.SourceLink.GitHub from 10.0.203 to 10.0.300

---
updated-dependencies:
- dependency-name: Microsoft.SourceLink.GitHub
  dependency-version: 10.0.300
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

build/common.props

@@ -34,7 +34,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="10.0.203" PrivateAssets="All"/>
+    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="10.0.300" PrivateAssets="All"/>
     <PackageReference Include="AsyncFixer" Version="2.1.0" PrivateAssets="All" />
     <PackageReference Include="MinVer" Version="7.0.0" PrivateAssets="All" />
   </ItemGroup>