build(deps): bump github.com/riverqueue/river/riverdriver/riverpgxv5 (#…

…639)

Bumps [github.com/riverqueue/river/riverdriver/riverpgxv5](https://github.com/riverqueue/river) from 0.16.0 to 0.18.0.
- [Release notes](https://github.com/riverqueue/river/releases)
- [Changelog](https://github.com/riverqueue/river/blob/master/CHANGELOG.md)
- [Commits](riverqueue/river@v0.16.0...v0.18.0)

---
updated-dependencies:
- dependency-name: github.com/riverqueue/river/riverdriver/riverpgxv5
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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