Bump pg from 1.3.5 to 1.4.0 (#18695)
Bumps [pg](https://github.com/ged/ruby-pg) from 1.3.5 to 1.4.0.
- [Release notes](https://github.com/ged/ruby-pg/releases)
- [Changelog](https://github.com/ged/ruby-pg/blob/master/History.rdoc)
- [Commits](https://github.com/ged/ruby-pg/compare/v1.3.5...v1.4.0)
---
updated-dependencies:
- dependency-name: pg
dependency-type: direct:production
update-type: version-update:semver-minor
...
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