chore(deps): update bitnami/pgpool docker tag to v4.5.2-debian-12-r6

[renovate-bot]

This PR contains the following updates:

Package	Update	Change	Pending
bitnami/pgpool (source)	patch	4.5.2-debian-12-r5 -> 4.5.2-debian-12-r6	4.5.3-debian-12-r0

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