build(deps): bump coverlet.collector from 6.0.2 to 6.0.3

Bumps [coverlet.collector](https://github.com/coverlet-coverage/coverlet) from 6.0.2 to 6.0.3.
- [Release notes](https://github.com/coverlet-coverage/coverlet/releases)
- [Commits](coverlet-coverage/coverlet@v6.0.2...v6.0.3)

---
updated-dependencies:
- dependency-name: coverlet.collector
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

NLCaseConvert.UnitTests/NLCaseConvert.UnitTests.csproj

@@ -61,7 +61,7 @@
       Microsoft.CodeAnalysis.VersionCheckAnalyzer (NetAnalyzers dep only)
       Text.Analyzers (https://github.com/dotnet/roslyn-analyzers/issues/2200)
     -->
-    <PackageReference Include="coverlet.collector" Version="6.0.2">
+    <PackageReference Include="coverlet.collector" Version="6.0.3">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>