fix(deps): update dependency pg to v8.9.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
pg	8.8.0 -> 8.9.0

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Release Notes

brianc/node-postgres

### [`v8.9.0`](https://togithub.com/brianc/node-postgres/blob/HEAD/CHANGELOG.md#pg890) [Compare Source](https://togithub.com/brianc/node-postgres/compare/pg@8.8.0...pg@8.9.0) - Add support for [stream factory](https://togithub.com/brianc/node-postgres/pull/2898). - [Better errors](https://togithub.com/brianc/node-postgres/pull/2901) for SASL authentication. - [Use native crypto module](https://togithub.com/brianc/node-postgres/pull/2815) for SASL authentication.

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