feat(assistant): update react monorepo to v19 (major) #6762

Job	Run time
install	24s
unit-tests	0s
build-gradle	0s
build	0s
build-electron	0s
lint	0s
build-docker	0s
unit-tests-cypress	0s
unit-tests-a11y	0s
integration-tests-assistant	0s
integration-tests-cypress	0s
integration-tests-playwright	0s
unit-tests-playwright	0s
unit-tests-runner-flutter	0s
release	0s
publish-docs	0s
publish-intellij	0s
publish-npm	0s
publish-vscode	0s
	24s

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