Add uBlock extension support for Firefox driver

Upgrades Selenium.WebDriver to 4.38.0 and adds logic to automatically install the uBlock extension for FirefoxDriver instances. The uBlock extension file is now included in the project and set to copy to output. Warnings are logged if the extension fails to load.

Beam.Stealth/Beam.Stealth.csproj

@@ -7,9 +7,14 @@
     </PropertyGroup>
     <ItemGroup>
         <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="9.0.9" />
-        <PackageReference Include="Selenium.WebDriver" Version="4.34.0" />
+        <PackageReference Include="Selenium.WebDriver" Version="4.38.0" />
     </ItemGroup>
     <ItemGroup>
       <ProjectReference Include="..\Beam.Downloaders\Beam.Downloaders.csproj" />
     </ItemGroup>
+    <ItemGroup>
+      <None Update="uBlock0_1.67.0.firefox.signed.xpi">
+        <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+      </None>
+    </ItemGroup>
 </Project>

Beam.Stealth/StealthConfig.cs

@@ -102,6 +102,15 @@ namespace Beam.Stealth {
                         driver = new RemoteWebDriver(new Uri(remoteAddress), def.Options);
                     else
                         driver = def.Factory(def.Options);
+
+                    try {
+                        if (driver is FirefoxDriver fd)
+                            fd.InstallAddOnFromFile("uBlock0_1.67.0.firefox.signed.xpi");
+                    }
+                    catch {
+                        logger?.LogWarning("Unable to load utility extensions");
+                    }
+
                     break;
                 }
                 catch (Exception e) {