feat: support pandas 2.1 #59

Job	Run time
build on linux (x86_64 - auto)	4m 55s
build on linux (aarch64 - auto)	4m 4s
build on macos (x86_64 - auto)	4m 43s
build on macos (aarch64 - auto)	3m 20s
build on windows (x86_64 - auto)	4m 48s
build on windows (i686 - auto)	5m 23s
build on linux (i686 - auto)	5m 27s
build on linux (armv7 - auto)	3m 47s
build on linux (x86_64 - musllinux_1_1)	3m 33s
build on linux (aarch64 - musllinux_1_1)	4m 44s
build on linux (ppc64le - auto)	3m 24s
build on linux (s390x - auto)	3m 37s
lint	58s
test 3.9 2.0.* rust stable	48s
test 3.9 2.1.* rust stable	50s
test 3.10 2.0.* rust stable	19m 25s
test 3.10 2.1.* rust stable	43s
test 3.11 2.0.* rust stable	55s
test 3.11 2.1.* rust stable	43s
test 3.8 2.0.* rust stable	41s
test 3.12 none rust stable	42s
test pypy3.8 none rust stable	27s
test pypy3.9 none rust stable	30s
test pypy3.10 none rust stable	28s
check	1s
release	1s
	1h 18m 57s

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