[3.14] Bump mypy to 1.19.1 (GH-145956) (#145971)

Bump mypy to 1.19.1 (GH-145956)
(cherry picked from commit e167e06)

Co-authored-by: Brian Schubert <brianm.schubert@gmail.com>

Author: miss-islington

Lib/test/libregrtest/utils.py

@@ -150,7 +150,7 @@ def setup_unraisable_hook() -> None:
     sys.unraisablehook = regrtest_unraisable_hook
 
 
-orig_threading_excepthook: Callable[..., None] | None = None
+orig_threading_excepthook: Callable[..., object] | None = None
 
 
 def regrtest_threading_excepthook(args) -> None:

Tools/clinic/libclinic/clanguage.py

@@ -6,7 +6,7 @@
 from operator import attrgetter
 from collections.abc import Iterable
 
-import libclinic
+import libclinic.cpp
 from libclinic import (
     unspecified, fail, Sentinels, VersionTuple)
 from libclinic.codegen import CRenderData, TemplateDict, CodeGen

Tools/requirements-dev.txt

@@ -1,7 +1,7 @@
 # Requirements file for external linters and checks we run on
 # Tools/clinic, Tools/cases_generator/, and Tools/peg_generator/ in CI
-mypy==1.17.1
+mypy==1.19.1
 
 # needed for peg_generator:
-types-psutil==7.0.0.20250801
-types-setuptools==80.9.0.20250801
+types-psutil==7.2.2.20260130
+types-setuptools==82.0.0.20260210