deps: Update module github.com/jackc/pgx/v5 to v5.6.0

[renovate-bot]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
github.com/jackc/pgx/v5	v5.5.5 -> v5.6.0

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Release Notes

jackc/pgx (github.com/jackc/pgx/v5)

### [`v5.6.0`](https://togithub.com/jackc/pgx/compare/v5.5.5...v5.6.0) [Compare Source](https://togithub.com/jackc/pgx/compare/v5.5.5...v5.6.0)

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Configuration

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