Test PGO on x86_64 ubuntu #77

Job	Run time
sdist	16s
Build on linux (x86_64 - auto)	3m 46s
Build on linux (aarch64 - auto)	4m 1s
Build on macos (x86_64 - auto)	4m 30s
Build on macos (aarch64 - auto)	9m 37s
Build on windows (x86_64 - auto)	3m 56s
Build on windows (i686 - auto)	4m 33s
Build on windows (aarch64 - auto)	4m 9s
Build on linux (i686 - auto)	5m 52s
Build on linux (armv7 - auto)	3m 8s
Build on linux (x86_64 - musllinux_1_1)	3m 26s
Build on linux (aarch64 - musllinux_1_1)	3m 18s
Build on linux (ppc64le - auto)	3m 4s
Build on linux (s390x - auto)	4m 11s
Release	0s
	57m 47s

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