gh-98040: Fix importbench: use types.ModuleType() (#105743)

Replace removed imp.new_module(name) with types.ModuleType(name).

Author: vstinner

Diff for: Doc/whatsnew/3.12.rst

@@ -1369,6 +1369,8 @@ Removed
   * The :mod:`!imp` module has been removed.  (Contributed by Barry Warsaw in
     :gh:`98040`.)
 
+  * Replace ``imp.new_module(name)`` with ``types.ModuleType(name)``.
+
 * Removed the ``suspicious`` rule from the documentation Makefile, and
   removed ``Doc/tools/rstlint.py``, both in favor of `sphinx-lint
   <https://github.com/sphinx-contrib/sphinx-lint>`_.

Diff for: Tools/importbench/importbench.py

@@ -15,6 +15,7 @@
 import sys
 import tabnanny
 import timeit
+import types
 
 
 def bench(name, cleanup=lambda: None, *, seconds=1, repeat=3):
@@ -40,7 +41,7 @@ def bench(name, cleanup=lambda: None, *, seconds=1, repeat=3):
 def from_cache(seconds, repeat):
     """sys.modules"""
     name = '<benchmark import>'
-    module = imp.new_module(name)
+    module = types.ModuleType(name)
     module.__file__ = '<test>'
     module.__package__ = ''
     with util.uncache(name):