feat: Provide loader function for dynamically imported i18n messages #4267

Job	Run time
dry-run / Build browser-test-tools	2m 10s
dry-run / Build documenter	1m 57s
dry-run / Build global-styles	26s
dry-run / Build collection-hooks	45s
dry-run / Build jest-preset	21s
dry-run / Build test-utils	1m 5s
dry-run / Build component-toolkit	1m 2s
dry-run / Build theming-core	57s
dry-run / Build components	6m 10s
dry-run / Components unit tests	8m 11s
dry-run / Components integration tests	20m 26s
dry-run / Build board components	3m 24s
dry-run / Components accessibility tests	38m 28s
dry-run / Demos tests	12m 9s
	1h 37m 31s

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