Merge pull request #323 from ifad/chore/use-strings-as-keys #629

Job	Run time
Ruby specs (3.0, rails_7.0, 16, stable)	1m 48s
Ruby specs (3.0, rails_7.1, 16, stable)	1m 54s
Ruby specs (3.1, rails_7.0, 16, stable)	1m 54s
Ruby specs (3.1, rails_7.1, 16, stable)	1m 51s
Ruby specs (3.1, rails_7.2, 16, stable)	1m 51s
Ruby specs (3.2, rails_7.0, 16, stable)	1m 49s
Ruby specs (3.2, rails_7.1, 16, stable)	2m 2s
Ruby specs (3.2, rails_7.2, 16, stable)	1m 55s
Ruby specs (3.3, rails_7.0, 16, stable)	2m 2s
Ruby specs (3.3, rails_7.1, 16, stable)	2m 30s
Ruby specs (3.3, rails_7.2, 16, stable)	2m 26s
Ruby specs (3.0, rails_7.0, 12, stable)	1m 52s
Ruby specs (3.1, rails_edge, 16, experimental)	2m 25s
Ruby specs (3.2, rails_edge, 16, experimental)	2m 2s
Ruby specs (3.3, rails_edge, 16, experimental)	2m 17s
Ruby specs (head, rails_7.0, 16, experimental)	2m 25s
Ruby specs (head, rails_7.1, 16, experimental)	2m 59s
Ruby specs (head, rails_7.2, 16, experimental)	3m 10s
Ruby specs (head, rails_edge, 16, experimental)	2m 54s
	42m 6s

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