[DPE-3291] Fix race condition in sharding relations (#338) #181

Job	Run time
ci-tests / Lint	11s
ci-tests / Unit tests	2m 30s
ci-tests / Check libraries	38s
Build charm / Get workflow version / Get workflow version	5s
ci-tests / Build charms / Get workflow version / Get workflow version	5s
Build charm / Build charm	4m 18s
ci-tests / Build charms / Collect charms	11s
ci-tests / Build charms / Build mongodb charm \| base #0	1m 42s
ci-tests / Build charms / Build legacy-application charm \| base #0	1m 24s
ci-tests / Build charms / Build application charm \| base #0	1m 25s
ci-tests / charm-integration	9m 38s
ci-tests / ha-integration	49m 29s
ci-tests / relation-integration	17m 11s
ci-tests / legacy-integration	3m 5s
ci-tests / tls-integration	24m 5s
ci-tests / backup-integration	59m 35s
ci-tests / metric-integration	18m 44s
ci-tests / sharding-integration	51m 2s
ci-tests / sharding-relation-integration	13m 0s
Release charm / Get workflow version / Get workflow version	4s
Release charm / Release charm	45s
Release libraries	44s
	4h 19m 51s

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