Bump the xunit group in /coster with 3 updates

Bumps the xunit group in /coster with 3 updates: [xunit](https://github.com/xunit/xunit), [xunit.runner.visualstudio](https://github.com/xunit/visualstudio.xunit) and [xunit.analyzers](https://github.com/xunit/xunit.analyzers).

Updates `xunit` from 2.6.2 to 2.6.3
- [Commits](xunit/xunit@2.6.2...2.6.3)

Updates `xunit.runner.visualstudio` from 2.5.4 to 2.5.5
- [Release notes](https://github.com/xunit/visualstudio.xunit/releases)
- [Commits](xunit/visualstudio.xunit@2.5.4...2.5.5)

Updates `xunit.analyzers` from 1.6.0 to 1.7.0
- [Commits](xunit/xunit.analyzers@1.6.0...1.7.0)

---
updated-dependencies:
- dependency-name: xunit
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: xunit
- dependency-name: xunit.runner.visualstudio
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: xunit
- dependency-name: xunit.analyzers
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: xunit
...

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

coster/Directory.Packages.props

@@ -7,9 +7,9 @@
     <PackageVersion Include="CsvHelper" Version="30.0.1" />
     <PackageVersion Include="FluentAssertions" Version="6.12.0" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
-    <PackageVersion Include="xunit" Version="2.6.2" />
-    <PackageVersion Include="xunit.runner.visualstudio" Version="2.5.4" />
-    <PackageVersion Include="xunit.analyzers" Version="1.6.0" />
+    <PackageVersion Include="xunit" Version="2.6.3" />
+    <PackageVersion Include="xunit.runner.visualstudio" Version="2.5.5" />
+    <PackageVersion Include="xunit.analyzers" Version="1.7.0" />
     <PackageVersion Include="coverlet.collector" Version="6.0.0" />
     <GlobalPackageReference Include="Meziantou.Analyzer" Version="2.0.120" />
     <GlobalPackageReference Include="AsyncFixer" Version="1.6.0" />