Change default version for CRDB testing to latest #6691

Job	Run time
paths-filter	3s
Steelthread	3m 9s
Analyzers Unit Tests	44s
Build Binary & Image	3m 48s
Datastore Consistency Tests (crdb)	1m 48s
Datastore Consistency Tests (mysql)	2m 40s
Datastore Integration Tests (crdb)	7m 43s
E2E	3m 1s
Datastore Consistency Tests (spanner)	2m 14s
Datastore Integration Tests (mysql)	2m 3s
Datastore Integration Tests (spanner)	1m 31s
Integration Tests	4m 16s
Datastore Consistency Tests (postgres, 13.8)	2m 32s
Datastore Integration Tests (postgres, 13.8)	2m 42s
Datastore Consistency Tests (postgres, 14)	2m 31s
Datastore Integration Tests (postgres, 14)	2m 52s
Unit	5m 9s
Datastore Consistency Tests (postgres, 15)	1m 59s
Datastore Integration Tests (postgres, 15)	2m 47s
Datastore Consistency Tests (postgres, 16)	1m 54s
WASM Tests	1m 57s
Datastore Integration Tests (postgres, 16)	3m 44s
Datastore Consistency Tests (postgres, 17)	2m 18s
Generate Protobufs	0s
Datastore Integration Tests (postgres, 17)	4m 1s
Datastore Integration Tests (pgbouncer, 13.8)	3m 59s
Datastore Integration Tests (pgbouncer, 14)	4m 8s
Datastore Integration Tests (pgbouncer, 15)	3m 42s
Datastore Integration Tests (pgbouncer, 16)	4m 2s
Datastore Integration Tests (pgbouncer, 17)	3m 26s
	1h 26m 43s

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