cli: add --enable-all-experimentals build flag #5567

Job	Run time
Build slim tarball	1m 56s
aarch64-darwin: with shared libraries	1h 46m 42s
x86_64-linux: with shared libraries	1h 56m 0s
aarch64-linux: with shared libraries	1h 18m 28s
x86_64-darwin: with shared libraries	2h 23m 38s
	7h 26m 44s

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