Bump coverlet.collector from 6.0.2 to 6.0.3 in the nuget group

Bumps the nuget group with 1 update: [coverlet.collector](https://github.com/coverlet-coverage/coverlet).


Updates `coverlet.collector` 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
  dependency-group: nuget
...

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

tests/QuestPDF.Markdown.Tests/QuestPDF.Markdown.Tests.csproj

@@ -13,7 +13,7 @@
           <PrivateAssets>all</PrivateAssets>
           <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
         </PackageReference>
-        <PackageReference Include="coverlet.collector" Version="6.0.2">
+        <PackageReference Include="coverlet.collector" Version="6.0.3">
           <PrivateAssets>all</PrivateAssets>
           <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
         </PackageReference>