[ci][hotfix] Enable parallel execution for pipeline-e2e tests #2182

Job	Run time
License Check	5m 48s
Common Unit Tests / test (11, generic, core)	14m 27s
Common Unit Tests 2.x / test (11, 2.2.0, core_2.x)	14m 15s
Pipeline Unit Tests / test (11, generic, doris, elasticsearch, fluss, hudi, iceberg, kafka, maxcompute, mysql-pipeline,...	38m 1s
Source Unit Tests / test (11, generic, postgres-source, oceanbase-source, tidb, vitess)	37m 59s
Source Unit Tests / test (11, generic, mysql-source)	38m 1s
Source Unit Tests / test (11, generic, oracle, sqlserver)	38m 1s
Source Unit Tests / test (11, generic, db2, mongodb)	38m 0s
Source E2E Tests / test (11, 1.19.3, source_e2e)	24m 28s
Pipeline E2E Tests 2.x (4-Parallelism) / test (11, 2.2.0, pipeline_e2e)	10m 31s
Pipeline E2E Tests (1-Parallelism) / test (11, 1.19.3, pipeline_e2e)	38m 1s
Pipeline E2E Tests (1-Parallelism) / test (11, 1.20.3, pipeline_e2e)	38m 1s
Pipeline E2E Tests (4-Parallelism) / test (11, 1.19.3, pipeline_e2e)	38m 0s
Pipeline E2E Tests (4-Parallelism) / test (11, 1.20.3, pipeline_e2e)	38m 2s
Pipeline E2E Tests 2.x (1-Parallelism) / test (11, 2.2.0, pipeline_e2e)	10m 10s
Source E2E Tests / test (11, 1.20.3, source_e2e)	24m 34s
	7h 26m 19s

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