Bump rubygems/configure-rubygems-credentials from 1.0.0 to 2.0.0 (#212) #661

Job	Run time
ruby-versions / Generate Ruby versions	3s
ubuntu-22.04 2.7	56s
ubuntu-24.04 3.3	6h 0m 1s
ubuntu-24.04 3.1	21s
ubuntu-24.04 2.7	50s
ubuntu-24.04 3.2	23s
ubuntu-24.04 head	20s
ubuntu-24.04 3.4	27s
ubuntu-22.04 3.0	31s
ubuntu-24.04 truffleruby-head	36s
ubuntu-22.04 3.1	31s
ubuntu-24.04 jruby-head	1m 24s
ubuntu-24.04 3.0	23s
ubuntu-24.04 4.0	16s
ubuntu-24.04 debug	37s
ubuntu-22.04 3.3	34s
ubuntu-22.04 debug	29s
ubuntu-22.04 3.2	28s
ubuntu-22.04 head	22s
ubuntu-22.04 4.0	21s
ubuntu-22.04 truffleruby-head	39s
ubuntu-22.04 3.4	21s
ubuntu-22.04 jruby-head	1m 21s
	6h 12m 14s

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