Enable and configure sitemap. KBHBIB-46 #6240

Job	Run time
Validate Composer	22s
Check Twig code style	28s
Analyse code using PHPStan	39s
Check code style	29s
Check Drupal Config	4m 19s
Check OpenAPI specification	4m 41s
Check PHP version	23s
Run Cypress functional tests	11m 17s
Lint Cypress tests	27s
Lint Drupal assets	29s
Test site performance using Lighthouse	6m 1s
Lint Markdown	33s
Test accessibility using Pa11y	5m 12s
Run PHP unit tests	41s
Shellcheck	5s
	36m 6s

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