Bump to version 2.12.1 #130

Job	Run time
build_test_py309_py310 (3.9, windows-latest)	1m 57s
build_test_py307 (3.7, windows-latest)	3m 5s
build_test_py309_py310 (3.10, ubuntu-latest)	42s
build_test_py308 (3.8, ubuntu-latest)	47s
build_test_py309_py310 (3.10, macOS-14)	1m 12s
build_test_py308 (3.8, windows-latest)	4m 10s
build_test_py309_py310 (3.9, macOS-14)	1m 7s
build_test_py308 (3.8, macOS-14)	1m 47s
build_test_newer_than_py311 (3.11, macOS-latest)	34s
build_test_py309_py310 (3.9, ubuntu-latest)	49s
build_test_newer_than_py311 (3.12, windows-latest)	1m 36s
build_test_newer_than_py311 (3.13, ubuntu-latest)	42s
build_test_newer_than_py311 (3.13, macOS-latest)	35s
build_test_newer_than_py311 (3.12, macOS-latest)	37s
build_test_newer_than_py311 (3.12, ubuntu-latest)	40s
build_test_newer_than_py311 (3.13, windows-latest)	1m 28s
build_test_newer_than_py311 (3.11, windows-latest)	1m 24s
build_test_newer_than_py311 (3.11, ubuntu-latest)	39s
build_test_py309_py310 (3.10, windows-latest)	1m 26s
build_test_py307 (3.7, ubuntu-22.04)	1m 21s
	26m 38s

Provide feedback