Bump xunit from 2.4.2 to 2.5.0 (#1572)

Bumps [xunit](https://github.com/xunit/xunit) from 2.4.2 to 2.5.0.
- [Commits](xunit/xunit@2.4.2...2.5.0)

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

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

Author: dependabot[bot]

src/Maths/Silk.NET.Maths.Tests/Silk.NET.Maths.Tests.csproj

@@ -14,7 +14,7 @@
 
     <ItemGroup>
       <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.6.3" />
-      <PackageReference Include="xunit" Version="2.4.2" />
+      <PackageReference Include="xunit" Version="2.5.0" />
       <PackageReference Include="xunit.runner.visualstudio" Version="2.5.0">
         <PrivateAssets>all</PrivateAssets>
         <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>