Upgrade GraphQL gem to `~> 2.4.2`. #108

Job	Run time
ci-check (run_each_gem_spec, 3.2, elasticsearch:8.15.3)	1h 24m 16s
ci-check (run_each_gem_spec, 3.2, opensearch:2.17.1)	1h 21m 30s
ci-check (run_each_gem_spec, 3.2, opensearch:2.7.0)	1h 21m 53s
ci-check (run_each_gem_spec, 3.3, elasticsearch:8.15.3)	1h 21m 12s
ci-check (run_each_gem_spec, 3.3, opensearch:2.17.1)	1h 19m 52s
ci-check (run_each_gem_spec, 3.3, opensearch:2.7.0)	1h 22m 32s
ci-check (run_misc_checks, 3.3, elasticsearch:8.15.3)	7m 56s
ci-check (run_most_specs_with_vcr, 3.3, elasticsearch:8.15.3)	38m 31s
ci-check (run_specs_file_by_file, 3.3, elasticsearch:8.15.3)	47m 3s
All CI Checks Passed	1s
	9h 44m 46s

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