Bump pg from 1.5.6 to 1.5.8

Bumps [pg](https://github.com/ged/ruby-pg) from 1.5.6 to 1.5.8.
- [Changelog](https://github.com/ged/ruby-pg/blob/master/History.md)
- [Commits](ged/ruby-pg@v1.5.6...v1.5.8)

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

Signed-off-by: dependabot[bot] <[email protected]>

Gemfile

@@ -7,7 +7,7 @@ gem "activerecord-postgis-adapter"
 gem "bootsnap", require: false
 gem "bundler", "~> 2.4"
 gem 'geocoder'
-gem "pg", "~> 1.1"
+gem "pg", "~> 1.5"
 gem "puma", "~> 6.4"
 gem "rails", "~> 7.1.3"
 gem "rails_semantic_logger"

Gemfile.lock

@@ -189,7 +189,7 @@ GEM
     parser (3.3.0.5)
       ast (~> 2.4.1)
       racc
-    pg (1.5.6)
+    pg (1.5.8)
     prettier_print (1.2.1)
     propshaft (0.9.0)
       actionpack (>= 7.0.0)
@@ -384,7 +384,7 @@ DEPENDENCIES
   govuk-components
   govuk_design_system_formbuilder
   jsbundling-rails
-  pg (~> 1.1)
+  pg (~> 1.5)
   prettier_print
   propshaft
   pry