Drop support for Ruby < 3.1

Author: aidanharan

.github/workflows/ci.yml

@@ -14,9 +14,9 @@ jobs:
       fail-fast: false
       matrix:
         ruby:
-          - 3.0.6
           - 3.1.4
           - 3.2.2
+          - 3.3.0
 
     steps:
       - name: Checkout code

activerecord-sqlserver-adapter.gemspec

@@ -7,7 +7,7 @@ Gem::Specification.new do |spec|
   spec.platform      = Gem::Platform::RUBY
   spec.version       = version
 
-  spec.required_ruby_version = ">= 2.7.0"
+  spec.required_ruby_version = ">= 3.1.0"
 
   spec.license       = "MIT"
   spec.authors       = ["Ken Collins", "Anna Carey", "Will Bond", "Murray Steele", "Shawn Balestracci", "Joe Rafaniello", "Tom Ward", "Aidan Haran"]