fix: sqlite3 1.4 is outdated

Author: bvogel

Gemfile

@@ -12,7 +12,7 @@ group :test do
   gem 'rails', "~> #{rails_version}"
   gem 'active_model_serializers'
   if Gem::Version.new(rails_version) >= Gem::Version.new('6.0')
-    gem 'sqlite3', '~> 1.4.0', :platform => [:rbx, :ruby]
+    gem 'sqlite3', '~> 1.7.0', :platform => [:rbx, :ruby]
   else
     gem 'sqlite3', '< 1.4.0', :platform => [:rbx, :ruby]
   end