internal/integration: move internal types testing to ent (#3346) #2060

Job	Run time
cli	3m 5s
cli	3m 4s
integration	35s
integration	35s
lint	34s
lint	34s
generate-cmp	47s
generate-cmp	47s
unit (1.22)	30s
unit (1.22)	30s
dialect-integration	0s
dialect-integration / integration-maria107	2m 50s
dialect-integration / integration-maria102	2m 48s
dialect-integration / integration-mysql57	3m 6s
dialect-integration / integration-mysql56	2m 49s
dialect-integration / integration-mysql8	3m 12s
dialect-integration / integration-maria103	2m 58s
dialect-integration / integration-postgres10	3m 5s
dialect-integration / integration-postgres11	3m 15s
dialect-integration / integration-postgres12	3m 8s
dialect-integration / integration-postgres13	3m 8s
dialect-integration / integration-postgres-ext-postgis	3m 15s
dialect-integration / integration-postgres14	3m 12s
dialect-integration / integration-postgres15	3m 19s
dialect-integration / integration-tidb5	3m 26s
dialect-integration / integration-tidb6	3m 24s
dialect-integration / integration-sqlite	2m 26s
dialect-integration / integration-cockroach	2m 49s
	1h 3m 11s

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