Bump pg from 1.2.3 to 1.3.0 (#17349)

Bumps [pg](https://github.com/ged/ruby-pg) from 1.2.3 to 1.3.0.
- [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/v1.2.3...v1.3.0)

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Gemfile

@@ -13,7 +13,7 @@ gem 'thor', '~> 1.2'
 gem 'rack', '~> 2.2.3'
 
 gem 'hamlit-rails', '~> 0.2'
-gem 'pg', '~> 1.2'
+gem 'pg', '~> 1.3'
 gem 'makara', '~> 0.5'
 gem 'pghero', '~> 2.8'
 gem 'dotenv-rails', '~> 2.7'