Merge pull request #1554 from maykinmedia/guard-against-infinite-cache #8508

Job	Run time
End-to-end tests, chromium	4m 4s
End-to-end tests, firefox	4m 43s
Run the Django test suite (main)	20m 5s
End-to-end tests, webkit	8m 19s
Run the Django test suite (elastic)	5m 58s
End-to-end tests, msedge	4m 35s
Run the Django test suite (openklant)	2m 31s
Run the Django test suite (sequential)	3m 31s
Build and check documentation	1m 56s
Check that documentation for configuration steps is up-to-date	0s
Upload coverage information to codecov	14s
Build (and push) Docker image	2m 13s
	58m 9s

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