Add lambda keyword argument to Proc#parameters #4415

Job	Run time
build jvm	7m 27s
lint	12m 52s
build native	9m 48s
ruby/spec on CRuby 3.0	3m 23s
ruby/spec on CRuby 3.1	3m 21s
ruby/spec on CRuby 3.2	2m 57s
test integration	9m 5s
specs :truffle	9m 19s
fast specs	1m 58s
specs :language :core	11m 0s
specs :library :cext :security :command_line :tracepoint	9m 24s
run MRI tests on native	0s
test native	0s
	1h 20m 34s

Provide feedback