[#3005] Rework payment flow #10230

Job	Run time
Set up docker build 'dynamic' env variables	1s
Build and check documentation	2m 0s
End-to-end tests, chromium	8m 35s
Run the Django test suite	11m 44s
End-to-end tests, firefox	10m 38s
End-to-end tests, webkit	9m 39s
Run the Django test suite in reverse	8m 3s
docker_build (extensions, token_exchange,prefill_haalcentraalhr, all-extensions-) / Build image	7m 54s
docker_build (production) / Build image	8m 9s
Scan docker image	2m 0s
Check for unexepected OAS changes	4s
Generate Postman collection from OAS	12s
Generate SDKs from OAS	33s
Validate OAS	27s
Push Docker image	0s
update-docker-readme	0s
	1h 9m 59s

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