[DPE-5686] Fix flaky CI #1681

Job	Run time
Lint	28s
Unit tests	3m 25s
sync-docs / Open PR with docs changes	2m 1s
Build charms / Get workflow version / Get workflow version	3s
Build charms / Collect charms	14s
Build charms / Build kafka charm \| base #0	1m 45s
Build charms / Build application charm \| base #0	1m 43s
integration-charm	39m 34s
integration-provider	44m 35s
integration-scaling	17m 9s
integration-password-rotation	18m 22s
integration-tls	31m 39s
integration-upgrade	20m 21s
integration-balancer-single	1h 9m 40s
integration-balancer-multi	34m 20s
${{ matrix.tox-environments }}	0s
	4h 45m 19s

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