Allow for passing `-n` option to `whereami` #1797

Job	Run time
ruby-versions / Generate Ruby versions	4s
test (head)	1m 52s
test (debug)	6m 21s
test (3.3)	1m 53s
test (2.7)	1m 53s
test (3.4)	1m 56s
test (3.0)	1m 42s
test (3.2)	1m 48s
test (3.1)	1m 49s
test (4.0)	1m 54s
	21m 12s

Provide feedback