chore(deps): update dependency @nuxtjs/i18n to v9 #4736

Job	Run time
Lint: API (php-cs-fixer)	31s
Tests: API	3m 52s
Lint: ClientPrint (ESLint)	21s
Lint: e2e (ESLint)	24s
Lint: Frontend (ESLint)	40s
Tests: Frontend	2m 20s
Tests: PDF	22s
Lint: Print (ESLint)	28s
Tests: Print	27s
Tests: End-to-end build / Tests: End-to-end (build job)	1m 2s
Tests: End-to-end run / Tests: End-to-end (chrome)	8m 1s
Tests: End-to-end run / Tests: End-to-end (firefox)	8m 18s
Tests: End-to-end run / Tests: End-to-end (edge)	8m 16s
Finish coveralls report	0s
workflow-success	2s
Send out CI success event	0s
	35m 4s

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