test(modules-test): Remove check for smtpd in python >= 3.12

tests/sources/python-modules.py

@@ -271,6 +271,10 @@ if sys.version_info >= (3, 11) and platform.system() == 'Linux' and '18.04' in p
     standard_library.remove('tkinter')
     standard_library.remove('turtle')
 
+# 'smtpd' module has been removed from Python 3.12
+if sys.version_info >= (3, 12):
+    standard_library.remove('smtpd')
+
 # Remove tkinter and Easter eggs
 excluded_modules = [
     'antigravity',