Bump LibGit2Sharp from 0.31.0 to 0.32.0 (#274)

Updated [LibGit2Sharp](https://github.com/libgit2/libgit2sharp) from
0.31.0 to 0.32.0.

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

_Sourced from [LibGit2Sharp's
releases](https://github.com/libgit2/libgit2sharp/releases)._

## 0.32.0

This is a security release that includes [libgit2
v1.8.6](https://github.com/libgit2/libgit2/releases/tag/v1.8.6). All
users are encouraged to upgrade.

Commits viewable in [compare
view](libgit2/libgit2sharp@0.31.0...0.32.0).
</details>

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Directory.Packages.props

@@ -6,7 +6,7 @@
   <ItemGroup>
     <PackageVersion Include="GitHubActionsTestLogger" Version="3.0.5" />
     <PackageVersion Include="IntelliTect.TestTools.Console" Version="1.0.0" />
-    <PackageVersion Include="LibGit2Sharp" Version="0.31.0" />
+    <PackageVersion Include="LibGit2Sharp" Version="0.32.0" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.8.1" />
     <PackageVersion Include="Microsoft.SourceLink.GitHub" Version="10.0.301" />
     <PackageVersion Include="Polly" Version="8.7.0" />