Support AIX operating system in legacy client (#132) #423

Job	Run time
semver	21s
Check Style	5s
features	45s
Test with Miri	50s
Check MSRV (1.63)	1m 35s
Test stable on ubuntu-latest	36s
Test stable on windows-latest	2m 54s
Test stable on macos-latest	43s
Test beta on ubuntu-latest	36s
Test beta on windows-latest	1m 19s
Test beta on macos-latest	32s
Test nightly on ubuntu-latest	34s
Test nightly on windows-latest	1m 18s
Test nightly on macos-latest	36s
Build docs	15s
CI is green	1s
	13m 0s

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