Refactor (accessing) the cosign state #14722

Job	Run time
Build and check documentation	3m 28s
End-to-end tests, chromium	13m 26s
End-to-end tests, firefox	16m 46s
Run the Django test suite in reverse	5m 16s
End-to-end tests, webkit	11m 52s
Run the Django test suite	8m 25s
Set up docker build 'dynamic' env variables	1s
docker_build (production) / Build image	2m 47s
docker_build (extensions, token_exchange,prefill_haalcentraalhr, all-extensions-) / Build image	2m 43s
Scan docker image	2m 6s
Simulate upgrading instances (2.7.4)	1m 27s
Simulate upgrading instances (2.7.8)	1m 32s
Check for unexepected OAS changes	5s
Generate SDKs from OAS	32s
Generate Postman collection from OAS	8s
Validate OAS	18s
Push Docker image	0s
update-docker-readme	0s
	1h 10m 52s

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