[#4321] Allow max number of submissions per form #14807

Job	Run time
End-to-end tests, chromium	13m 38s
Run the Django test suite	8m 6s
End-to-end tests, firefox	16m 40s
End-to-end tests, webkit	12m 26s
Set up docker build 'dynamic' env variables	1s
Build and check documentation	2m 42s
Run the Django test suite in reverse	5m 32s
docker_build (production) / Build image	2m 45s
docker_build (extensions, token_exchange,prefill_haalcentraalhr, all-extensions-) / Build image	2m 50s
Scan docker image	2m 30s
Simulate upgrading instances (2.7.4)	1m 33s
Simulate upgrading instances (2.7.8)	1m 19s
Check for unexepected OAS changes	7s
Generate SDKs from OAS	35s
Generate Postman collection from OAS	9s
Validate OAS	14s
Push Docker image	0s
update-docker-readme	0s
	1h 11m 7s

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