CASSGO-10 Update CONTRIBUTING.md #614

Job	Run time
Unit tests (1.22)	32s
Unit tests (1.23)	30s
Integration Tests with auth (1.22, 4.0.13, snappy, integration)	1m 27s
Integration Tests (1.22, 4.0.13, false, snappy, cassandra)	3m 20s
Integration Tests with auth (1.23, 4.0.13, snappy, integration)	5m 9s
Integration Tests (1.22, 4.0.13, false, snappy, integration)	2m 12s
Integration Tests (1.22, 4.0.13, false, snappy, ccm)	1m 45s
Integration Tests (1.22, 4.1.6, false, snappy, cassandra)	4m 4s
Integration Tests (1.22, 4.1.6, false, snappy, integration)	1m 54s
Integration Tests (1.22, 4.1.6, false, snappy, ccm)	4m 2s
Integration Tests (1.23, 4.0.13, false, snappy, cassandra)	3m 48s
Integration Tests (1.23, 4.0.13, false, snappy, integration)	3m 19s
Integration Tests (1.23, 4.0.13, false, snappy, ccm)	5m 29s
Integration Tests (1.23, 4.1.6, false, snappy, cassandra)	4m 58s
Integration Tests (1.23, 4.1.6, false, snappy, integration)	3m 7s
Integration Tests (1.23, 4.1.6, false, snappy, ccm)	1m 44s
	47m 20s

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