Improve compression ratio by disabling the chunk padding by default. #509

Job	Run time
call-workflow / Python 3.11 on ubuntu-22.04	26m 57s
call-workflow / Python 3.11 on ubuntu-22.04-arm	20m 43s
call-workflow / Python 3.14 on ubuntu-22.04	21m 51s
call-workflow / Python 3.13 on macos-14	21m 10s
call-workflow / Python 3.12 on ubuntu-22.04	27m 48s
call-workflow / Python 3.11 on macos-14	19m 17s
call-workflow / Python 3.14 on ubuntu-22.04-arm	17m 18s
call-workflow / Python 3.12 on macos-14	19m 13s
call-workflow / Python 3.13 on ubuntu-22.04	27m 20s
call-workflow / Python 3.12 on ubuntu-22.04-arm	20m 33s
call-workflow / Python 3.14 on macos-14	17m 50s
call-workflow / Python 3.13 on ubuntu-22.04-arm	21m 32s
call-workflow / publish-wheel	0s
	4h 21m 32s

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