test: run in no-sandbox mode

Author: Flayms

Markdown2Pdf.Tests/Tests/Utils.cs

@@ -26,7 +26,8 @@ internal static async Task<string> RenderHtmlAsync(string htmlFilePath) {
 
   private static async Task<IBrowser> _CreateBrowserAsync() {
     var launchOptions = new LaunchOptions {
-      Headless = true
+      Headless = true,
+      Args = ["--no-sandbox"],
     };
 
     using var browserFetcher = new BrowserFetcher();