chore(deps): Bump Microsoft.Extensions.Diagnostics.Testing from 10.0.0 to 10.4.0 (#227)

---
updated-dependencies:
- dependency-name: Microsoft.Extensions.Diagnostics.Testing
  dependency-version: 10.4.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

test/MockHttp.Server.Tests/MockHttp.Server.Tests.csproj

@@ -9,7 +9,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Extensions.Diagnostics.Testing" Version="10.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Diagnostics.Testing" Version="10.4.0" />
   </ItemGroup>
 
   <ItemGroup>