Bump vlucas/phpdotenv from 2.6.9 to 5.6.1 in /drupal #2493

Job	Run time
detect-changes / changes_in_containers	31s
test-cdk	1m 31s
Test opendata extensions	0s
Build Containers (./docker/solr/Dockerfile, ./docker/solr, false, solr, false)	4s
Build Containers (./docker/datapusher-plus/Dockerfile, ./docker/datapusher-plus, false, datapushe...	2s
Build Containers (./docker/nginx/Dockerfile, ./docker/nginx, false, nginx, false)	5s
Build Containers (./drupal/Dockerfile, ./drupal, true, drupal, true)	1m 51s
Build Containers (./ckan/Dockerfile, ./ckan, recursive, true, ckan, false)	3s
Build Containers (./clamav/clamav-docker/Dockerfile, ./clamav/clamav-docker, false, clamav, false)	3s
test-e2e (1)	11m 39s
test-e2e (2)	11m 39s
test-e2e (3)	11m 36s
test-e2e (4)	11m 38s
test-e2e (5)	11m 39s
Final E2E Results	1s
	1h 2m 22s

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