feat: Update minimum Ruby to v3.2 and support v4.0

Author: yoshi-automation

google-cloud-storage/README.md

@@ -66,7 +66,7 @@ Google::Apis.logger = my_logger
 
 ## Supported Ruby Versions
 
-This library is supported on Ruby 3.1+.
+This library is supported on Ruby 3.2+.
 
 Google provides official support for Ruby versions that are actively supported
 by Ruby Core—that is, Ruby versions that are either in normal maintenance or

google-cloud-storage/google-cloud-storage.gemspec

@@ -16,7 +16,7 @@ Gem::Specification.new do |gem|
                       ["OVERVIEW.md", "AUTHENTICATION.md", "LOGGING.md", "CONTRIBUTING.md", "TROUBLESHOOTING.md", "CHANGELOG.md", "CODE_OF_CONDUCT.md", "LICENSE", ".yardopts"]
   gem.require_paths = ["lib"]
 
-  gem.required_ruby_version = ">= 3.1.0"
+  gem.required_ruby_version = ">= 3.2"
 
   gem.add_dependency "google-cloud-core", "~> 1.6"
   gem.add_dependency "google-apis-core", ">= 0.18", "< 2"