[FLINK-36701][cdc-runtime] Add steps to get and emit schemaManager's latest evolvedSchema when SinkDataWriterOperator handles FlushEvent #57

Job	Run time
License Check	3m 46s
Source E2E Tests / compile_and_test (8, 1.19.1)	25m 53s
Source E2E Tests / compile_and_test (8, 1.20.0)	26m 8s
Migration Tests / data_stream_migration_test (8, 1.19.1)	11m 10s
Migration Tests / migration_test_ut (8, 1.19.1)	4m 56s
Migration Tests / data_stream_migration_test (8, 1.20.0)	11m 40s
Migration Tests / migration_test_ut (8, 1.20.0)	4m 53s
Migration Tests / pipeline_migration_test (8, 1.19.1)	7m 41s
Migration Tests / pipeline_migration_test (8, 1.20.0)	6m 41s
Pipeline E2E Tests (1-Parallelism) / compile_and_test (8, 1.19.1)	30m 17s
Pipeline E2E Tests (1-Parallelism) / compile_and_test (8, 1.20.0)	30m 36s
Pipeline E2E Tests (4-Parallelism) / compile_and_test (8, 1.19.1)	29m 48s
Pipeline E2E Tests (4-Parallelism) / compile_and_test (8, 1.20.0)	30m 11s
Unit Tests (core) / compile_and_test (8, generic)	30m 7s
Unit Tests (db2) / compile_and_test (8, generic)	21m 57s
Unit Tests (mongodb6) / compile_and_test (8, generic)	35m 42s
Unit Tests (mongodb7) / compile_and_test (8, generic)	33m 59s
Unit Tests (mysql) / compile_and_test (8, generic)	37m 59s
Unit Tests (oceanbase) / compile_and_test (8, generic)	6m 47s
Unit Tests (oracle) / compile_and_test (8, generic)	29m 13s
Unit Tests (pipeline_connectors) / compile_and_test (8, generic)	17m 27s
Unit Tests (postgres) / compile_and_test (8, generic)	26m 15s
Unit Tests (sqlserver) / compile_and_test (8, generic)	12m 50s
Unit Tests (tidb) / compile_and_test (8, generic)	3m 44s
Unit Tests (vitess) / compile_and_test (8, generic)	3m 20s
	8h 3m 0s

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