Bump pg from 1.4.4 to 1.4.5
Bump pg from 1.4.4 to 1.4.5

Bumps [pg](https://github.com/ged/ruby-pg) from 1.4.4 to 1.4.5.
- [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/v1.4.4...v1.4.5)

---
updated-dependencies:
- dependency-name: pg
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
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