Bump @testing-library/dom from 10.3.2 to 10.4.0 #1816

Job	Run time
Check conditional workflows and jobs	8s
Keycloak JS	56s
Admin Client	57s
Build Keycloak	6m 40s
Account UI	1m 12s
Admin UI	1m 42s
Generate Test Seed	1s
UI Shared	55s
Account UI E2E	2m 51s
Admin UI E2E (1, chrome)	11m 11s
Admin UI E2E (2, chrome)	6m 47s
Admin UI E2E (3, chrome)	9m 8s
Admin UI E2E (4, chrome)	7m 23s
Admin UI E2E (5, chrome)	6m 3s
Status Check - Keycloak JavaScript CI	7s
	56m 1s

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