Bump Microsoft.SourceLink.GitHub from 10.0.301 to 10.0.400 (#223)

Updated [Microsoft.SourceLink.GitHub](https://github.com/dotnet/dotnet)
from 10.0.301 to 10.0.400.

<details>
<summary>Release notes</summary>

_Sourced from [Microsoft.SourceLink.GitHub's
releases](https://github.com/dotnet/dotnet/releases)._

## 10.0.400

You can build .NET 10.0 from the repository by cloning the release tag
`v10.0.400` and following the build instructions in the [main
README.md](https://github.com/dotnet/dotnet/blob/v10.0.400/README.md#building).

Alternatively, you can build from the sources attached to this release
directly.
More information on this process can be found in the [dotnet/dotnet
repository](https://github.com/dotnet/dotnet/blob/v10.0.400/README.md#building-from-released-sources).

Attached are PGP signatures for the GitHub generated tarball and
zipball. You can find the public key at https://dot.net/release-key-2023

## 10.0.303

You can build .NET 10.0 from the repository by cloning the release tag
`v10.0.303` and following the build instructions in the [main
README.md](https://github.com/dotnet/dotnet/blob/v10.0.303/README.md#building).

Alternatively, you can build from the sources attached to this release
directly.
More information on this process can be found in the [dotnet/dotnet
repository](https://github.com/dotnet/dotnet/blob/v10.0.303/README.md#building-from-released-sources).

Attached are PGP signatures for the GitHub generated tarball and
zipball. You can find the public key at https://dot.net/release-key-2023

## 10.0.302

You can build .NET 10.0 from the repository by cloning the release tag
`v10.0.302` and following the build instructions in the [main
README.md](https://github.com/dotnet/dotnet/blob/v10.0.302/README.md#building).

Alternatively, you can build from the sources attached to this release
directly.
More information on this process can be found in the [dotnet/dotnet
repository](https://github.com/dotnet/dotnet/blob/v10.0.302/README.md#building-from-released-sources).

Attached are PGP signatures for the GitHub generated tarball and
zipball. You can find the public key at https://dot.net/release-key-2023

Commits viewable in [compare
view](dotnet/dotnet@v10.0.301...v10.0.400).
</details>

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

Directory.Packages.props

@@ -8,7 +8,7 @@
     <PackageVersion Include="Microsoft.Build.Locator" Version="1.11.2" />
     <PackageVersion Include="Microsoft.CodeAnalysis.NetAnalyzers" Version="10.0.400" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.9.0" />
-    <PackageVersion Include="Microsoft.SourceLink.GitHub" Version="10.0.301" />
+    <PackageVersion Include="Microsoft.SourceLink.GitHub" Version="10.0.400" />
     <PackageVersion Include="Moq" Version="4.20.72" />
     <PackageVersion Include="xunit" Version="2.9.3" />
     <PackageVersion Include="xunit.runner.visualstudio" Version="4.0.0" />