[#4009] Clean up usage of merged data #11822

Job	Run time
Build and check documentation	1m 50s
Run the Django test suite	7m 24s
Run the Django test suite in reverse	6m 4s
Set up docker build 'dynamic' env variables	1s
End-to-end tests, chromium	11m 16s
End-to-end tests, firefox	14m 38s
End-to-end tests, webkit	12m 3s
docker_build (production) / Build image	7m 7s
docker_build (extensions, token_exchange,prefill_haalcentraalhr, all-extensions-) / Build image	7m 9s
Check for unexepected OAS changes	0s
Validate OAS	0s
Generate SDKs from OAS	0s
Generate Postman collection from OAS	0s
Scan docker image	2m 14s
Push Docker image	0s
update-docker-readme	0s
	1h 9m 46s

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