Release 3.0.0 alpha.0 #14228

Job	Run time
Set up docker build 'dynamic' env variables	1s
Build and check documentation	4m 7s
End-to-end tests, chromium	16m 17s
End-to-end tests, firefox	19m 53s
Run the Django test suite	7m 37s
End-to-end tests, webkit	14m 56s
Run the Django test suite in reverse	5m 14s
docker_build (production) / Build image	2m 47s
docker_build (extensions, token_exchange,prefill_haalcentraalhr, all-extensions-) / Build image	2m 46s
Scan docker image	2m 11s
Simulate upgrading instances (2.7.4)	1m 27s
Simulate upgrading instances (2.7.8)	1m 24s
Check for unexepected OAS changes	4s
Generate Postman collection from OAS	15s
Generate SDKs from OAS	35s
Validate OAS	14s
Push Docker image	0s
update-docker-readme	0s
	1h 19m 48s

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