Bump ApprovalTests from 4.5.0 to 4.5.1 in /Source

Bumps [ApprovalTests](https://github.com/approvals/ApprovalTests.Net) from 4.5.0 to 4.5.1.
- [Release notes](https://github.com/approvals/ApprovalTests.Net/releases)
- [Commits](https://github.com/approvals/ApprovalTests.Net/commits)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Author: dependabot-preview[bot]

Source/GitReleaseManager.Tests/GitReleaseManager.Tests.csproj

@@ -15,7 +15,7 @@
     </ItemGroup>
     <ItemGroup>
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.5.0" />
-        <PackageReference Include="ApprovalTests" Version="4.5.0" />
+        <PackageReference Include="ApprovalTests" Version="4.5.1" />
         <PackageReference Include="NUnit" Version="3.12.0" />
         <PackageReference Include="NUnit3TestAdapter" Version="3.16.1" />
         <PackageReference Include="Octokit" Version="0.41.0" />