Bump xunit from 2.5.1 to 2.5.3 in /src

Bumps [xunit](https://github.com/xunit/xunit) from 2.5.1 to 2.5.3.
- [Commits](xunit/xunit@2.5.1...2.5.3)

---
updated-dependencies:
- dependency-name: xunit
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

src/jjm.one.Serilog.Extensions.Logging.Helpers.Tests/jjm.one.Serilog.Extensions.Logging.Helpers.Tests.csproj

@@ -32,7 +32,7 @@
     <ItemGroup>
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.7.2" />
         <PackageReference Include="Moq" Version="4.20.69" />
-        <PackageReference Include="xunit" Version="2.5.1" />
+        <PackageReference Include="xunit" Version="2.5.3" />
         <PackageReference Include="xunit.runner.visualstudio" Version="2.5.1">
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
             <PrivateAssets>all</PrivateAssets>