CI: Allow use of `node16` for release jobs #7199

Job	Run time
benchcomp-tests	6m 22s
documentation	1m 58s
perf	32m 53s
regression (macos-13)	26m 21s
write-json-symtab-regression	13m 31s
regression (ubuntu-20.04)	23m 15s
regression (ubuntu-22.04)	22m 59s
regression (macos-14)	20m 53s
	2h 28m 12s

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