build: enable Temporal by default #4995

Job	Run time
Build slim tarball	2m 20s
aarch64-darwin: with shared libraries	1h 47m 28s
aarch64-linux: with shared libraries	1h 20m 30s
x86_64-linux: with shared libraries	1h 50m 6s
x86_64-darwin: with shared libraries	2h 35m 49s
	7h 36m 13s

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