www/rubygem-passenger: Update to 6.1.2 [1]

• Use bundled libuv [2]

Changes: https://github.com/phusion/passenger/releases
PR: 292545
Reported by: osa [1], Mual <kocernymarek@wp.pl> [2]
Reference: https://github.com/phusion/passenger/issues/2637 [2]