API Generator and Removing support of Ruby 2 #575

Job	Run time
test-opensearch (2.5)	2m 23s
test-opensearch (2.6)	2m 22s
test-opensearch (2.7)	2m 27s
test-opensearch (3.0)	1m 58s
test-opensearch-faraday-1 (2.6)	2m 25s
test-opensearch (3.1)	2m 1s
test-opensearch-faraday-1 (2.7)	2m 22s
test-opensearch-faraday-1 (3.0)	2m 6s
test-opensearch (3.2)	2m 8s
test-opensearch-faraday-1 (3.1)	1m 58s
test-opensearch (3.3)	2m 1s
test-opensearch-faraday-1 (3.2)	1m 55s
test-opensearch (jruby-9.3)	1m 39s
test-opensearch-faraday-1 (3.3)	1m 59s
test-opensearch-faraday-1 (jruby-9.3)	1m 45s
test-opensearch-security (2.5)	2m 24s
test-opensearch-security (2.6)	2m 29s
test-opensearch-security (2.7)	2m 27s
test-opensearch-security (3.0)	2m 5s
test-opensearch-security (3.1)	2m 11s
test-opensearch-security (3.2)	2m 8s
test-opensearch-security (3.3)	2m 4s
test-opensearch-security (jruby-9.3)	1m 42s
	48m 59s

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