Bump xunit and xunit.analyzers

Bumps xunit from 2.4.1 to 2.9.3
Bumps xunit.analyzers from 0.10.0 to 1.18.0

---
updated-dependencies:
- dependency-name: xunit
  dependency-version: 2.9.3
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: xunit.analyzers
  dependency-version: 1.18.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Packages.props

@@ -41,8 +41,8 @@
     <PackageReference Update="Microsoft.NET.Test.Sdk" Version="16.9.4" />
     <PackageReference Update="Rocket.Surgery.Extensions.Testing.FakeItEasy" Version="6.0.1" />
     <PackageReference Update="Rocket.Surgery.Extensions.Testing.XUnit" Version="6.0.1" />
-    <PackageReference Update="xunit" Version="2.4.1" />
-    <PackageReference Update="xunit.analyzers" Version="0.10.0" />
+    <PackageReference Update="xunit" Version="2.9.3" />
+    <PackageReference Update="xunit.analyzers" Version="1.18.0" />
     <PackageReference Update="xunit.runner.visualstudio" Version="2.4.3" />
   </ItemGroup>
   <Import Project="$(MSBuildThisFileDirectory)/Packages.support.props" Condition="Exists('$(MSBuildThisFileDirectory)/Packages.support.props')" />