Bump xunit.runner.visualstudio from 2.4.5 to 3.1.4

---
updated-dependencies:
- dependency-name: xunit.runner.visualstudio
  dependency-version: 3.1.4
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

NLCaseConvert.UnitTests/NLCaseConvert.UnitTests.csproj

@@ -97,7 +97,7 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
     <PackageReference Include="xunit" Version="2.9.3" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.5">
+    <PackageReference Include="xunit.runner.visualstudio" Version="3.1.4">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
     </PackageReference>