Bump coverlet.collector from 3.2.0 to 6.0.0

Bumps [coverlet.collector](https://github.com/coverlet-coverage/coverlet) from 3.2.0 to 6.0.0.
- [Release notes](https://github.com/coverlet-coverage/coverlet/releases)
- [Commits](coverlet-coverage/coverlet@v3.2.0...v6.0.0)

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

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

src/Bicep.Types.UnitTests/Bicep.Types.UnitTests.csproj

@@ -15,7 +15,7 @@
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.6.3" />
     <PackageReference Include="MSTest.TestAdapter" Version="3.0.4" />
     <PackageReference Include="MSTest.TestFramework" Version="3.0.2" />
-    <PackageReference Include="coverlet.collector" Version="3.2.0" />
+    <PackageReference Include="coverlet.collector" Version="6.0.0" />
   </ItemGroup>
 
   <ItemGroup>