chore: fix jpeg install instruction for Mac OS #696

Job	Run time
Build wheels on macos-13-xlarge	14m 13s
Build wheels on ubuntu-20.04	12m 45s
Build wheels on macos-13-xlarge	14m 6s
Build wheels on ubuntu-20.04	12m 42s
Build wheels on macos-13-xlarge	13m 30s
Build wheels on ubuntu-20.04	12m 29s
Build wheels on macos-13-xlarge	13m 28s
Build wheels on ubuntu-20.04	12m 45s
Build wheels on macos-13	49m 21s
Build wheels on macos-13	40m 48s
Build wheels on macos-13	41m 28s
Build wheels on macos-13	43m 48s
Build wheels on windows-latest	48m 50s
Build wheels on windows-latest	49m 48s
Build wheels on windows-latest	50m 36s
Build wheels on windows-latest	48m 56s
	7h 59m 33s

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