Bump redoc from 2.1.4 to 2.1.5 in /ui/ui-docs in the ui-docs-dependencies group #9799

Job	Run time
Prepare for Integration Tests	7m 52s
Prepare for UI Integration Tests	1m 30s
Integration Tests H2	10m 50s
Build and Run Application examples	10m 16s
Integration Tests Legacy V2	1m 55s
Integration Tests KafkaSql	15m 0s
Integration Tests Postgresql	10m 41s
Integration Tests UI	1m 10s
	59m 14s

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