Bump i18next from 23.11.5 to 23.12.1 #1791

Job	Run time
Check conditional workflows and jobs	8s
Build Keycloak	7m 36s
Admin Client	54s
UI Shared	1m 4s
Account UI	1m 7s
Admin UI	1m 48s
Generate Test Seed	1s
Keycloak JS	50s
Account UI E2E	3m 24s
Admin UI E2E (1, chrome)	7m 18s
Admin UI E2E (2, chrome)	3m 53s
Admin UI E2E (3, chrome)	12m 21s
Admin UI E2E (4, chrome)	9m 50s
Admin UI E2E (5, chrome)	7m 1s
Status Check - Keycloak JavaScript CI	7s
	57m 22s

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