….11.3 (pythonGH-101719)(cherry picked from commit0e0c5d8)Co-authored-by: Steve Dower <steve.dower@python.org>

…H-101719)(cherry picked from commit0e0c5d8)Co-authored-by: Steve Dower <steve.dower@python.org>

* main: (82 commits)pythongh-101670: typo fix in PyImport_ExtendInittab() (python#101723)pythonGH-99293: Document that `Py_TPFLAGS_VALID_VERSION_TAG` shouldn't be used. (#pythonGH-101736)  no-issue: Add Dong-hee Na as the cjkcodecs codeowner (pythongh-101731)pythongh-101678: Merge math_1_to_whatever() and math_1() (python#101730)pythongh-101678: refactor the math module to use special functions from c11 (pythonGH-101679)pythongh-85984: Remove legacy Lib/pty.py code. (python#92365)pythongh-98831: Use opcode metadata for stack_effect() (python#101704)pythongh-101283: Version was just released, so should be changed in 3.11.3 (pythonGH-101719)pythongh-101283: Fix use of unbound variable (pythonGH-101712)pythongh-101283: Improved fallback logic for subprocess with shell=True on Windows (pythonGH-101286)pythongh-101277: Port more itertools static types to heap types (python#101304)pythongh-98831: Modernize CALL and family (python#101508)pythonGH-101696: invalidate type version tag in `_PyStaticType_Dealloc` (python#101697)pythongh-100221: Fix creating dirs in `make sharedinstall` (pythonGH-100329)pythongh-101670: typo fix in PyImport_AppendInittab() (pythonGH-101672)pythongh-101196: Make isdir/isfile/exists faster on Windows (pythonGH-101324)pythongh-101614: Don't treat python3_d.dll as a Python DLL when checking extension modules for incompatibility (pythonGH-101615)pythongh-100933: Improve `check_element` helper in `test_xml_etree` (python#100934)pythonGH-101578: Normalize the current exception (pythonGH-101607)pythongh-47937: Note that Popen attributes are read-only (python#93070)  ...