fix connectivity check fixes #425 (#507) #1044

Job	Run time
poetry	20s
generate-lockfile	37s
ruff-lint	22s
check-docs-build	31s
ruff-format	26s
markdownlint	28s
yamllint	28s
changelog	0s
check-in-docker (3.11, 3.0.0)	5m 13s
unittest (3.13, mysql, stable)	9m 57s
unittest (3.11, postgresql, 3.0.0)	6m 58s
unittest_report (3.13, postgresql, stable)	10m 32s
unittest (3.11, postgresql, stable)	8m 59s
	44m 51s

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