build: angular v21 support #1877

Job	Run time
premerge-build	2m 52s
premerge-integration-test (test:types)	1m 46s
premerge-test (lint)	1m 33s
premerge-integration-test (integration:ng21)	2m 20s
premerge-test (test)	2m 48s
premerge-bundlemon	1m 27s
	12m 46s

Provide feedback