Adding email timeout env variable #15586

Job	Run time
Set up docker build 'dynamic' env variables	1s
Build and check documentation	4m 43s
End-to-end tests, chromium	17m 38s
Run the Django test suite	17m 36s
End-to-end tests, firefox	25m 21s
Run the Django test suite in reverse	7m 59s
End-to-end tests, webkit	22m 28s
docker_build (extensions, token_exchange,prefill_haalcentraalhr, all-extensions-) / Build image	2m 51s
docker_build (production) / Build image	2m 46s
Check for unexepected OAS changes	7s
Simulate upgrading instances (3.0.1)	1m 28s
Scan docker image	2m 40s
Validate OAS	21s
Generate SDKs from OAS	32s
Generate Postman collection from OAS	24s
Push Docker image	0s
update-docker-readme	0s
	1h 46m 55s

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