Support Python 3.14 and drop Python 3.8.

[junkmd]

See #837 and #848 (comment).

[codecov]

Codecov Report

❌ Patch coverage is 92.59259% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 84.69%. Comparing base (5c564ec) to head (1e2577a).
⚠️ Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
comtypes/test/test_comserver.py	80.00%	1 Missing ⚠️
comtypes/util.py	90.90%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #839      +/-   ##
==========================================
- Coverage   84.72%   84.69%   -0.03%     
==========================================
  Files         125      125              
  Lines       11566    11532      -34     
==========================================
- Hits         9799     9767      -32     
+ Misses       1767     1765       -2     

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[junkmd]

I added version bridges to the PyCArgObject replicated in util to reflect the field definition changes in Python's PyCArgObject from 3.13 to 3.14.

See also python/cpython@8d0e07e, python/cpython#133237, python/cpython#61103, and python/cpython#136847.

[moi15moi]

Python 3.14 have been released. You can remove this line.

[moi15moi]

Python 3.14 have been released. You can remove this line.

[junkmd]

Due to frequent test failures, test_comserver.TestInproc_win32com.test_eval will be skipped on Python 3.14.

comtypes/comtypes/test/test_comserver.py

Lines 144 to 149 in 1e2577a

	if sys.version_info >= (3, 14):
	@unittest.skip("Fails occasionally with a memory leak on INPROC.")
	def test_eval(self):
	# This test sometimes leaks memory when run as an in-process server.
	pass