Bump Microsoft.SourceLink.GitHub from 10.0.102 to 10.0.103 (#162)

Updated [Microsoft.SourceLink.GitHub](https://github.com/dotnet/dotnet)
from 10.0.102 to 10.0.103.

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

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

## 10.0.103

You can build .NET 10.0 from the repository by cloning the release tag
`v10.0.103` and following the build instructions in the [main
README.md](https://github.com/dotnet/dotnet/blob/v10.0.103/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/v10.0.103/README.md#building-from-released-sources).

Attached is the PGP signature for the GitHub generated tarball. You can
find the public key at https://dot.net/release-key-2023

Commits viewable in [compare
view](https://github.com/dotnet/dotnet/commits/v10.0.103).
</details>

[![Dependabot compatibility
score](https://dependabot-badges.githubapp.com/badges/compatibility_score?dependency-name=Microsoft.SourceLink.GitHub&package-manager=nuget&previous-version=10.0.102&new-version=10.0.103)](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores)

Dependabot will resolve any conflicts with this PR as long as you don't
alter it yourself. You can also trigger a rebase manually by commenting
`@dependabot rebase`.

[//]: # (dependabot-automerge-start)
[//]: # (dependabot-automerge-end)

---

<details>
<summary>Dependabot commands and options</summary>
<br />

You can trigger Dependabot actions by commenting on this PR:
- `@dependabot rebase` will rebase this PR
- `@dependabot recreate` will recreate this PR, overwriting any edits
that have been made to it
- `@dependabot show <dependency name> ignore conditions` will show all
of the ignore conditions of the specified dependency
- `@dependabot ignore this major version` will close this PR and stop
Dependabot creating any more for this major version (unless you reopen
the PR or upgrade to it yourself)
- `@dependabot ignore this minor version` will close this PR and stop
Dependabot creating any more for this minor version (unless you reopen
the PR or upgrade to it yourself)
- `@dependabot ignore this dependency` will close this PR and stop
Dependabot creating any more for this dependency (unless you reopen the
PR or upgrade to it yourself)


</details>

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

Author: dependabot[bot]

src/Directory.Packages.props

@@ -5,7 +5,7 @@
   </PropertyGroup>
   <ItemGroup>
     <GlobalPackageReference Include="Nerdbank.GitVersioning" Version="3.9.50" PrivateAssets="All" />
-    <GlobalPackageReference Include="Microsoft.SourceLink.GitHub" Version="10.0.102" PrivateAssets="All"/>
+    <GlobalPackageReference Include="Microsoft.SourceLink.GitHub" Version="10.0.103" PrivateAssets="All"/>
   </ItemGroup>
   <ItemGroup>
     <PackageVersion Include="Azure.Bicep.Types" Version="0.6.50" />