Update eherkenning docs #14978

Job	Run time
End-to-end tests, chromium	13m 27s
Run the Django test suite	8m 17s
End-to-end tests, firefox	16m 30s
End-to-end tests, webkit	12m 37s
Set up docker build 'dynamic' env variables	1s
Build and check documentation	3m 9s
Run the Django test suite in reverse	5m 42s
docker_build (production) / Build image	2m 42s
docker_build (extensions, token_exchange,prefill_haalcentraalhr, all-extensions-) / Build image	2m 42s
Scan docker image	2m 7s
Simulate upgrading instances (2.7.4)	1m 29s
Simulate upgrading instances (2.7.8)	1m 35s
Check for unexepected OAS changes	4s
Generate Postman collection from OAS	24s
Validate OAS	15s
Generate SDKs from OAS	34s
Push Docker image	0s
update-docker-readme	0s
	1h 11m 35s

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