build, doc: use new api doc tooling #1935

Job	Run time
Build slim tarball	1m 18s
aarch64-linux: with shared libraries	23m 52s
aarch64-darwin: with shared libraries	30m 54s
x86_64-linux: with shared libraries	28m 51s
x86_64-darwin: with shared libraries	38m 9s
	2h 3m 4s

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