chore: fix typo from volljaerig to volljaehrig #1704

Job	Run time
create-content-file	38s
code-quality / npm run prettier:check	48s
code-quality / npm run eslint:check	1m 20s
code-quality / npm run typecheck	58s
code-quality / npm run test:coverage	2m 56s
verify-external-links	46s
build-image	3m 31s
verify-local-e2e / e2e-tests	3m 56s
push-image	37s
deploy-staging	2m 1s
verify-staging-e2e / e2e-tests	8m 37s
deploy-production	3m 20s
test-production-text	5s
	29m 33s

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