chore(deps): update dependency coverlet.collector to 6.0.4 (#1884)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

Rnwood.Smtp4dev.Tests/Rnwood.Smtp4dev.Tests.csproj

@@ -41,7 +41,7 @@
       <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="6.0.4">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
     </PackageReference>

smtpserver/Rnwood.SmtpServer.Tests/Rnwood.SmtpServer.Tests.csproj

@@ -31,7 +31,7 @@
     <PackageReference Include="Moq" Version="4.20.72"/>
     <PackageReference Include="MailKit" Version="4.11.0"/>
     <PackageReference Include="Xunit.SkippableFact" Version="1.5.23"/>
-    <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</IncludeAssets>
     </PackageReference>