Refactor payments module to apply plugin mechanism consistently #14845

Job	Run time
Build and check documentation	3m 3s
End-to-end tests, chromium	13m 53s
Set up docker build 'dynamic' env variables	1s
End-to-end tests, firefox	16m 27s
Run the Django test suite in reverse	5m 48s
End-to-end tests, webkit	12m 48s
Run the Django test suite	8m 16s
docker_build (extensions, token_exchange,prefill_haalcentraalhr, all-extensions-) / Build image	2m 52s
docker_build (production) / Build image	2m 46s
Scan docker image	2m 3s
Simulate upgrading instances (2.7.4)	1m 23s
Simulate upgrading instances (2.7.8)	1m 28s
Check for unexepected OAS changes	7s
Generate SDKs from OAS	38s
Validate OAS	13s
Generate Postman collection from OAS	15s
Push Docker image	0s
update-docker-readme	0s
	1h 12m 1s

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