Cosign improvements - part 3 #14712

Job	Run time
Run the Django test suite	9m 33s
Set up docker build 'dynamic' env variables	1s
Build and check documentation	4m 2s
End-to-end tests, chromium	13m 41s
End-to-end tests, firefox	16m 35s
Run the Django test suite in reverse	6m 1s
End-to-end tests, webkit	12m 19s
docker_build (extensions, token_exchange,prefill_haalcentraalhr, all-extensions-) / Build image	2m 46s
docker_build (production) / Build image	3m 14s
Simulate upgrading instances (2.7.4)	1m 28s
Scan docker image	2m 10s
Simulate upgrading instances (2.7.8)	2m 27s
Check for unexepected OAS changes	15s
Validate OAS	14s
Generate Postman collection from OAS	11s
Generate SDKs from OAS	38s
Push Docker image	0s
update-docker-readme	0s
	1h 15m 35s

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