build(deps): bump sequel from 5.90.0 to 5.91.0 (#4292)

Bumps [sequel](https://github.com/jeremyevans/sequel) from 5.90.0 to 5.91.0.
- [Changelog](https://github.com/jeremyevans/sequel/blob/master/CHANGELOG)
- [Commits](jeremyevans/sequel@5.90.0...5.91.0)

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

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

Author: dependabot[bot]

Gemfile

@@ -32,7 +32,7 @@ gem 'puma'
 gem 'rake'
 gem 'redis'
 gem 'rubyzip', '>= 1.3.0'
-gem 'sequel', '~> 5.90'
+gem 'sequel', '~> 5.91'
 gem 'sequel_pg', require: 'sequel'
 gem 'sinatra', '~> 3.2'
 gem 'sinatra-contrib'

Gemfile.lock

@@ -503,7 +503,7 @@ GEM
       sexp_processor (~> 4.1)
     rubyzip (2.4.1)
     securerandom (0.4.1)
-    sequel (5.90.0)
+    sequel (5.91.0)
       bigdecimal
     sequel_pg (1.17.2)
       pg (>= 0.18.0, != 1.2.0)
@@ -671,7 +671,7 @@ DEPENDENCIES
   rubocop-rspec_rails
   rubocop-sequel (~> 0.3.8)
   rubyzip (>= 1.3.0)
-  sequel (~> 5.90)
+  sequel (~> 5.91)
   sequel_pg
   sinatra (~> 3.2)
   sinatra-contrib