Update rspec-rails build setting #1263

Job	Run time
Rubocop	28s
Ruby 2.7 (Windows)	3m 16s
Legacy Ruby Builds (2.1.9)	2m 42s
Ruby 2.6 (Windows)	3m 49s
Ruby 3.3	4m 56s
Ruby 2.5 (Windows)	4m 40s
Legacy Ruby Builds (2.0)	2m 37s
Ruby 3.2	4m 29s
Legacy Ruby Builds (1.9.3)	2m 24s
Ruby 2.4 (Windows)	3m 38s
Ruby 3.1	4m 42s
Legacy Ruby Builds (1.9.2)	6m 25s
Ruby 2.3 (Windows)	3m 53s
Ruby 3.0	4m 32s
Legacy Ruby Builds (1.8.7)	2m 50s
Ruby 2.7	4m 46s
Legacy Ruby Builds (REE)	3m 4s
Ruby 2.6	4m 15s
Ruby 2.5	4m 19s
Legacy Ruby Builds (JRuby 1.7)	11m 3s
Ruby 2.2 (Windows)	3m 43s
Legacy Ruby Builds (JRuby 1.7 1.8 mode)	9m 45s
Ruby 2.4	4m 8s
Legacy Ruby Builds (JRuby 9.1.17.0)	12m 58s
Ruby 2.3	4m 15s
Ruby 2.2	4m 55s
Ruby ruby-head	3m 12s
Ruby jruby-9.2.13.0	18m 51s
Ruby 2.7 with diff-lcs 1.3	4m 39s
Ruby 2.7 with diff-lcs 1.4.3	4m 39s
	2h 33m 53s

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