Bump coverlet.msbuild from 6.0.3 to 6.0.4 in /src in the tests group

Bumps the tests group in /src with 1 update: [coverlet.msbuild](https://github.com/coverlet-coverage/coverlet).


Updates `coverlet.msbuild` from 6.0.3 to 6.0.4
- [Release notes](https://github.com/coverlet-coverage/coverlet/releases)
- [Commits](coverlet-coverage/coverlet@v6.0.3...v6.0.4)

---
updated-dependencies:
- dependency-name: coverlet.msbuild
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: tests
...

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

Author: dependabot[bot]

src/Directory.Packages.props

@@ -8,7 +8,7 @@
     <PackageVersion Include="ApprovalTests" Version="6.0.0" />
     <PackageVersion Include="AutoMapper" Version="13.0.1" />
     <PackageVersion Include="CommandLineParser" Version="2.9.1" />
-    <PackageVersion Include="coverlet.msbuild" Version="6.0.3" />
+    <PackageVersion Include="coverlet.msbuild" Version="6.0.4" />
     <PackageVersion Include="Destructurama.Attributed" Version="5.1.0" />
     <PackageVersion Include="IDisposableAnalyzers" Version="4.0.8" />
     <PackageVersion Include="Microsoft.CodeAnalysis.NetAnalyzers" Version="9.0.0" />