Tests

[DPE-2442] Add juju secrets support #733

Job	Run time
Check libraries	32s
Unit tests	2m 39s
Lint	19s
Build charms / Get workflow version / Get workflow version	6s
Build charms / Collect charms	14s
Build charms / Build mongodb charm \| 22.04	2m 34s
Build charms / Build application charm \| 20.04	2m 4s
charm-integration	11m 34s
ha-integration	49m 30s
relation-integration	21m 13s
legacy-integration	4m 8s
tls-integration	26m 9s
backup-integration	1h 14m 16s
metric-integration	20m 3s
	3h 35m 21s

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