feat: Provide loader function for dynamically imported i18n messages #4296

Job	Run time
dry-run / Build collection-hooks	47s
dry-run / Build documenter	1m 52s
dry-run / Build browser-test-tools	2m 48s
dry-run / Build global-styles	27s
dry-run / Build jest-preset	18s
dry-run / Build test-utils	1m 4s
dry-run / Build theming-core	57s
dry-run / Build component-toolkit	57s
dry-run / Build components	3m 41s
dry-run / Components integration tests	0s
dry-run / Components unit tests	0s
dry-run / Components accessibility tests	0s
dry-run / Build board components	0s
dry-run / Demos tests	0s
	12m 51s

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