Require Ruby 3.3

Author: timriley

dry-transformer.gemspec

@@ -29,7 +29,7 @@ Gem::Specification.new do |spec|
   spec.metadata["bug_tracker_uri"]   = "https://github.com/dry-rb/dry-transformer/issues"
   spec.metadata["funding_uri"]       = "https://github.com/sponsors/hanami"
 
-  spec.required_ruby_version = ">= 3.1.0"
+  spec.required_ruby_version = ">= 3.3"
 
   spec.add_runtime_dependency "bigdecimal"
   spec.add_runtime_dependency "zeitwerk", "~> 2.6"