[FLINK-37276] Add missing state v2 access interfaces in `RuntimeContext` #1628

Job	Run time
Default (Java 17) / Compile	9m 30s
Pre-compile Checks / Basic QA	5m 57s
Default (Java 17) / Test packaging/licensing	32m 40s
Default (Java 17) / E2E (group 1)	1h 27m 35s
Default (Java 17) / Test (module: core)	19m 10s
Default (Java 17) / E2E (group 2)	1h 48m 21s
Default (Java 17) / Test (module: python)	24m 0s
Default (Java 17) / Test (module: table)	31m 31s
Default (Java 17) / Test (module: connect)	19m 37s
Default (Java 17) / Test (module: tests)	33m 21s
Default (Java 17) / Test (module: misc)	22m 4s
	6h 33m 46s

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