build(deps): Bump xunit from 2.5.3 to 2.6.0

Bumps [xunit](https://github.com/xunit/xunit) from 2.5.3 to 2.6.0.
- [Commits](xunit/xunit@2.5.3...2.6.0)

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

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

Author: dependabot[bot]

tests/bunit.core.tests/bunit.core.tests.csproj

@@ -13,7 +13,7 @@
 	</ItemGroup>
 
 	<ItemGroup>
-		<PackageReference Include="xunit" Version="2.5.3" />
+		<PackageReference Include="xunit" Version="2.6.0" />
 		<!-- DO NOT UPGRADE TO versions > 2.4.5 as they do not support .net5 or older -->
 		<PackageReference Include="xunit.runner.visualstudio" Version="2.4.5">
 			<PrivateAssets>all</PrivateAssets>

tests/bunit.web.query.tests/bunit.web.query.tests.csproj

@@ -14,7 +14,7 @@
 	</ItemGroup>
 
 	<ItemGroup>
-		<PackageReference Include="xunit" Version="2.5.3" />
+		<PackageReference Include="xunit" Version="2.6.0" />
 		<!-- DO NOT UPGRADE TO versions > 2.4.5 as they do not support .net5 or older -->
 		<PackageReference Include="xunit.runner.visualstudio" Version="2.4.5">
 			<PrivateAssets>all</PrivateAssets>

tests/bunit.web.tests/bunit.web.tests.csproj

@@ -13,7 +13,7 @@
 	</ItemGroup>
 
 	<ItemGroup>
-		<PackageReference Include="xunit" Version="2.5.3" />
+		<PackageReference Include="xunit" Version="2.6.0" />
 		<!-- DO NOT UPGRADE TO versions > 2.4.5 as they do not support .net5 or older -->
 		<PackageReference Include="xunit.runner.visualstudio" Version="2.4.5">
 			<PrivateAssets>all</PrivateAssets>