Bump coverlet.collector from 6.0.2 to 6.0.4

---
updated-dependencies:
- dependency-name: coverlet.collector
  dependency-version: 6.0.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.NET/EcoLens.Tests/EcoLens.Tests.csproj

@@ -8,7 +8,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="coverlet.collector" Version="6.0.2" />
+    <PackageReference Include="coverlet.collector" Version="6.0.4" />
     <PackageReference Include="Microsoft.Data.Sqlite" Version="8.0.0" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.InMemory" Version="8.0.0" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="8.*" />