Bump pg from 1.5.3 to 1.5.6

Bumps [pg](https://github.com/ged/ruby-pg) from 1.5.3 to 1.5.6.
- [Changelog](https://github.com/ged/ruby-pg/blob/master/History.md)
- [Commits](ged/ruby-pg@v1.5.3...v1.5.6)

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

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

Gemfile

@@ -15,7 +15,7 @@ gem 'sprockets-rails'
 gem 'importmap-rails', '~> 1.2'
 
 # Use postgresql as the database for Active Record
-gem 'pg', '~> 1.4'
+gem 'pg', '~> 1.5'
 
 # Use the Puma web server [https://github.com/puma/puma]
 gem 'puma', '~> 6.4'

Gemfile.lock

@@ -233,7 +233,7 @@ GEM
     parser (3.2.2.4)
       ast (~> 2.4.1)
       racc
-    pg (1.5.3)
+    pg (1.5.6)
     popper_js (2.11.8)
     public_suffix (5.0.1)
     puma (6.4.2)
@@ -433,7 +433,7 @@ DEPENDENCIES
   omniauth
   omniauth-rails_csrf_protection
   omniauth_openid_connect
-  pg (~> 1.4)
+  pg (~> 1.5)
   puma (~> 6.4)
   pundit (~> 2.3)
   rails (~> 7.0.8)