Bump actions/create-github-app-token from 2 to 3 #654

Job	Run time
ruby-versions / Generate Ruby versions	4s
ubuntu-22.04 head	13s
ubuntu-24.04 3.4	17s
ubuntu-24.04 truffleruby-head	27s
ubuntu-22.04 3.3	22s
ubuntu-24.04 3.0	14s
ubuntu-22.04 3.2	20s
ubuntu-24.04 head	15s
ubuntu-24.04 2.7	46s
ubuntu-24.04 jruby-head	1m 3s
ubuntu-22.04 3.4	13s
ubuntu-24.04 4.0	14s
ubuntu-24.04 3.2	18s
ubuntu-24.04 3.3	16s
ubuntu-22.04 3.1	12s
ubuntu-24.04 3.1	18s
ubuntu-22.04 2.7	42s
ubuntu-22.04 3.0	16s
ubuntu-24.04 debug	24s
ubuntu-22.04 debug	22s
ubuntu-22.04 4.0	17s
ubuntu-22.04 truffleruby-head	27s
ubuntu-22.04 jruby-head	1m 10s
	9m 10s

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