Bump xunit.runner.visualstudio from 2.5.4 to 2.5.5 in /src (#680)

Bumps [xunit.runner.visualstudio](https://github.com/xunit/visualstudio.xunit) 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)

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

src/ConfigReader.Tests/ConfigReader.Tests.csproj

@@ -8,7 +8,7 @@
     <ProjectReference Include="..\ConfigReader\ConfigReader.csproj" />
     <PackageReference Include="Verify.DiffPlex" Version="2.3.0" />
     <PackageReference Include="Verify.Xunit" Version="22.8.0" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.5.4" PrivateAssets="All" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.5.5" PrivateAssets="All" />
     <PackageReference Include="Xunit" Version="2.6.2" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
     <PackageReference Include="ProjectDefaults" Version="1.0.106" PrivateAssets="all" />

src/MarkdownSnippets.Tool.Tests/MarkdownSnippets.Tool.Tests.csproj

@@ -7,7 +7,7 @@
     <PackageReference Include="Argon" Version="0.14.0" />
     <PackageReference Include="Verify.DiffPlex" Version="2.3.0" />
     <PackageReference Include="Verify.Xunit" Version="22.8.0" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.5.4" PrivateAssets="All" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.5.5" PrivateAssets="All" />
     <PackageReference Include="Xunit" Version="2.6.2" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
     <ProjectReference Include="..\MarkdownSnippets.Tool\MarkdownSnippets.Tool.csproj" />