Bump coverlet.collector from 6.0.2 to 6.0.4 (#32)

Author: dependabot[bot]

tests/CloudflareExtension.Tests.csproj

@@ -14,7 +14,7 @@
     <PackageReference Include="MSTest.TestFramework" Version="3.6.4" />
     <PackageReference Include="Moq" Version="4.20.72" />
     <PackageReference Include="FluentAssertions" Version="7.0.0" />
-    <PackageReference Include="coverlet.collector" Version="6.0.2">
+    <PackageReference Include="coverlet.collector" Version="6.0.4">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>