Tests

[DPE-3480] sharding uses secrets now #1267

Job	Run time
Lint	13s
Check libraries	37s
Unit tests	4m 30s
Build charms / Get workflow version / Get workflow version	4s
Build charms / Collect charms	8s
Build charms / Build mongodb charm \| base #0	1m 52s
Build charms / Build application charm \| base #0	1m 48s
Build charms / Build application charm \| base #0	1m 43s
Build charms / Build legacy-application charm \| base #0	1m 43s
charm-integration	9m 55s
ha-integration	49m 7s
relation-integration	15m 47s
legacy-integration	3m 3s
tls-integration	21m 3s
backup-integration	1h 5m 7s
metric-integration	19m 29s
sharding-integration	37m 46s
sharding-relation-integration	12m 3s
sharding-race-conditions-integration	15m 52s
sharding-mongos-integration	8m 24s
	4h 30m 14s

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