Stop supporting manylinux2014 #743

Job	Run time
cache_libs / cache_libs (ubuntu-22.04-arm)	17s
cache_libs / cache_libs (macos-latest)	18s
cache_libs / cache_libs (windows-2025-vs2026)	43s
cache_libs / cache_libs (windows-11-arm)	35s
cache_libs / cache_libs (ubuntu-22.04)	10s
manylinux (cp314-cp314, musllinux_1_2_x86_64)	3m 50s
manylinux (cp311-cp311, manylinux_2_28_x86_64)	3m 49s
manylinux (cp311-cp311, musllinux_1_2_x86_64)	4m 7s
manylinux (cp313-cp313, manylinux_2_28_x86_64)	3m 52s
manylinux (cp312-cp312, manylinux_2_28_x86_64)	4m 2s
manylinux (cp314-cp314, manylinux_2_28_x86_64)	3m 46s
manylinux (cp310-cp310, musllinux_1_2_x86_64)	4m 4s
manylinux (cp312-cp312, musllinux_1_2_x86_64)	3m 54s
manylinux (cp313-cp313, musllinux_1_2_x86_64)	4m 8s
manylinux (cp39-cp39, manylinux_2_28_x86_64)	3m 30s
manylinux (cp39-cp39, musllinux_1_2_x86_64)	4m 1s
manylinux (cp310-cp310, manylinux_2_28_x86_64)	3m 52s
	48m 58s

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