Ruby

Bump json from 2.10.2 to 2.11.3 in /steep #6597

Job	Run time
valgrind	52m 17s
test (3.1, test)	2m 49s
test (3.2, test)	2m 41s
test (3.3, test)	3m 7s
test (3.4, test)	2m 49s
test (head, test)	3m 28s
test (head, stdlib_test rubocop)	3m 7s
test (3.4, stdlib_test)	2m 1s
test (3.4, test, --enable-frozen-string-literal)	2m 42s
test (3.4, stdlib_test, --enable-frozen-string-literal)	2m 13s
test (3.4, lexer templates compile confirm_lexer confirm_templates)	3m 19s
test (3.4, rubocop validate test_doc build test_generate_stdlib raap)	2m 37s
test (3.4, typecheck_test)	1m 3s
	1h 24m 13s

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