CI

Add Ruby 3.3. to matrix #132

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Run time

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Job	Run time
Ruby 3.0, Rails 6.1	58s
Ruby 3.0, Rails 7.0	1m 4s
Ruby 3.0, Rails 7.1	58s
Ruby 3.1, Rails 6.1	1m 7s
Ruby 3.1, Rails 7.0	1m 2s
Ruby 3.1, Rails 7.1	1m 3s
Ruby 3.2, Rails 6.1	1m 2s
Ruby 3.2, Rails 7.0	1m 6s
Ruby 3.2, Rails 7.1	1m 7s
Ruby 3.3, Rails 6.1	1m 36s
Ruby 3.3, Rails 7.0	1m 35s
Ruby 3.3, Rails 7.1	1m 43s
	14m 21s