[FLINK-39409][connect/postgres] Support tables without primary key for incremental snapshot #2396

Job	Run time
License Check	2m 46s
Pipeline Connectors Unit Tests 2.x / test (11, 2.2.0, doris, elasticsearch, fluss, iceberg, kafka, maxcompute, mysql-pipeline, oceanba...	7m 9s
Common Unit Tests 2.x / test (11, 2.2.0, core)	9m 6s
Source Unit Tests / test (11, generic, db2, mongodb)	8m 2s
Source Unit Tests / test (11, generic, oracle, sqlserver)	7m 22s
Source Unit Tests / test (11, generic, mysql-source)	7m 37s
Pipeline Unit Tests / test (11, generic, doris, elasticsearch, fluss, hudi, iceberg, kafka, maxcompute, mysql-pipeline,...	7m 47s
Source E2E Tests / test (11, 1.20.3, source_e2e)	5m 23s
Common Unit Tests / test (11, generic, core)	7m 48s
Source Unit Tests / test (11, generic, postgres-source, oceanbase-source, tidb, vitess)	6m 35s
Source Unit Tests 2.x / test (11, 2.2.0, postgres-source, oceanbase-source, tidb, vitess)	6m 56s
Source Unit Tests 2.x / test (11, 2.2.0, oracle, sqlserver)	6m 49s
Pipeline E2E Tests (4-Parallelism) / test (11, 1.20.3, pipeline_e2e)	5m 22s
Source Unit Tests 2.x / test (11, 2.2.0, db2, mongodb)	6m 59s
Source Unit Tests 2.x / test (11, 2.2.0, mysql-source)	5m 45s
Pipeline E2E Tests (1-Parallelism) / test (11, 1.20.3, pipeline_e2e)	6m 1s
Pipeline E2E Tests 2.x (1-Parallelism) / test (11, 2.2.0, pipeline_e2e)	6m 7s
Pipeline E2E Tests 2.x (4-Parallelism) / test (11, 2.2.0, pipeline_e2e)	5m 22s
	1h 58m 56s

Provide feedback