[FLINK-37312][doc] Add missing closing tab in state_v2.md #1655

Job	Run time
Pre-compile Checks / Basic QA	11m 39s
Default (Java 17) / Compile	9m 16s
Default (Java 17) / Test packaging/licensing	27m 14s
Default (Java 17) / E2E (group 1)	8m 9s
Default (Java 17) / Test (module: core)	33m 9s
Default (Java 17) / E2E (group 2)	8m 14s
Default (Java 17) / Test (module: python)	14m 16s
Default (Java 17) / Test (module: table)	34m 10s
Default (Java 17) / Test (module: connect)	23m 23s
Default (Java 17) / Test (module: tests)	37m 48s
Default (Java 17) / Test (module: misc)	25m 6s
	3h 52m 24s

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