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]

src/LinkDotNet.StringBuilder/LinkDotNet.StringBuilder.csproj

@@ -46,7 +46,7 @@
         <PrivateAssets>all</PrivateAssets>
         <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       </PackageReference>
-      <PackageReference Include="Microsoft.SourceLink.GitHub" Version="10.0.203">
+      <PackageReference Include="Microsoft.SourceLink.GitHub" Version="10.0.300">
         <PrivateAssets>all</PrivateAssets>
         <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       </PackageReference>