Update app.py

app.py

@@ -11,13 +11,13 @@ def install_wkhtmltopdf():
         # دانلود و نصب wkhtmltopdf
         print("Downloading wkhtmltopdf...")
         subprocess.run(
-            ["wget", "https://github.com/wkhtmltopdf/packaging/releases/download/0.12.6-1/wkhtmltox_0.12.6-1.bionic_amd64.deb"],
+            ["wget", "https://github.com/wkhtmltopdf/packaging/releases/download/0.12.6.1-2/wkhtmltox_0.12.6.1-2.bullseye_amd64.deb"],
             check=True
         )
         
         # نصب فایل deb
         print("Installing wkhtmltopdf...")
-        subprocess.run(["dpkg", "-i", "wkhtmltox_0.12.6-1.bionic_amd64.deb"], check=True)
+        subprocess.run(["dpkg", "-i", "wkhtmltox_0.12.6.1-2.bullseye_amd64.deb"], check=True)
         
         # اضافه کردن مسیر به PATH
         os.environ["PATH"] += os.pathsep + "/usr/local/bin"