build, doc: generate node.1 with doc-kit #4397

Job	Run time
Build slim tarball	5m 58s
aarch64-linux: with shared libraries	18m 48s
x86_64-linux: with shared libraries	22m 15s
x86_64-darwin: with shared libraries	31m 9s
aarch64-darwin: with shared libraries	19m 30s
	1h 37m 40s

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