[FLINK-36613] Fix unstable RescaleCheckpointManuallyITCase in paralle… #272

Job	Run time
Pre-compile Checks / Basic QA	10m 54s
Default (Java 11) / Compile	45m 51s
Default (Java 11) / Test packaging/licensing	37m 22s
Default (Java 11) / E2E (group 1)	2h 1m 33s
Default (Java 11) / Test (module: core)	23m 27s
Default (Java 11) / E2E (group 2)	2h 31m 1s
Default (Java 11) / Test (module: python)	29m 56s
Default (Java 11) / Test (module: table)	35m 16s
Default (Java 11) / Test (module: connect)	22m 32s
Default (Java 11) / Test (module: tests)	37m 30s
Default (Java 11) / Test (module: misc)	29m 8s
	9h 4m 30s

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