Refactor (accessing) the cosign state #14727

Job	Run time
Set up docker build 'dynamic' env variables	1s
Build and check documentation	3m 0s
End-to-end tests, chromium	14m 3s
Run the Django test suite	8m 3s
End-to-end tests, firefox	16m 36s
End-to-end tests, webkit	12m 25s
Run the Django test suite in reverse	5m 37s
docker_build (extensions, token_exchange,prefill_haalcentraalhr, all-extensions-) / Build image	2m 45s
docker_build (production) / Build image	3m 23s
Simulate upgrading instances (2.7.4)	1m 17s
Simulate upgrading instances (2.7.8)	1m 33s
Scan docker image	2m 12s
Check for unexepected OAS changes	7s
Generate SDKs from OAS	35s
Validate OAS	12s
Generate Postman collection from OAS	9s
Push Docker image	0s
update-docker-readme	0s
	1h 11m 58s

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