Tests

[DPE-5987] Add expose-external configuration option #1055

Job	Run time
Unit tests	1m 1s
Lint	26s
Build charms (tests/integration/app-charm) / Collect bases for charm \| tests/integration/app-charm	14s
Build charms (.) / Collect bases for charm \| .	18s
Build charms (tests/integration/app-charm) / Build charm \| base #0	2m 35s
Build charms (.) / Build charm \| base #0	4m 36s
integration-charm	9m 0s
integration-password-rotation	9m 0s
integration-provider	8m 59s
integration-tls	8m 59s
integration-backup	9m 0s
integration-replication	8m 59s
${{ matrix.tox-environments }}	1s
	1h 3m 8s

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