Update rubocop requirement from ~> 1.82.0 to ~> 1.84.2 (#677)

Updates the requirements on [rubocop](https://github.com/rubocop/rubocop) to permit the latest version.
- [Release notes](https://github.com/rubocop/rubocop/releases)
- [Changelog](https://github.com/rubocop/rubocop/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop@v1.82.0...v1.84.2)

---
updated-dependencies:
- dependency-name: rubocop
  dependency-version: 1.84.2
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/tests.yml

@@ -11,8 +11,6 @@ jobs:
     strategy:
       matrix:
         ruby-version:
-          - "3.0"
-          - "3.1"
           - "3.2"
           - "3.3"
           - "3.4"

CHANGELOG.md

@@ -3,6 +3,13 @@
 This project uses [Semantic Versioning 2.0.0](http://semver.org/).
 
 
+## Unreleased
+
+### Changed
+
+- Minimum Ruby version is 3.2
+
+
 ## Release 6.0.3
 
 ### Changed

Gemfile

@@ -4,5 +4,5 @@ source "https://rubygems.org"
 
 gemspec
 
-gem "rubocop", "~> 1.82.0", require: false
+gem "rubocop", "~> 1.84.2", require: false
 gem "rubocop-rspec", "~> 3.9.0", require: false

README.md

@@ -33,7 +33,7 @@ This repository contains the core whois library, that includes the WHOIS client,
 
 ## Requirements
 
-- Ruby >= 3.0
+- Ruby >= 3.2
 
 For older versions of Ruby, see the [CHANGELOG](CHANGELOG.md).
 

lib/whois/server/adapters/afilias.rb

@@ -41,7 +41,7 @@ def request(string)
         def extract_referral(response)
           return unless (match = response.match(/Registrar WHOIS Server:(.+?)$/))
 
-          server = match[match.size - 1].strip
+          server = match[-1].strip
           server.empty? ? nil : server
         end
       end

lib/whois/server/adapters/verisign.rb

@@ -41,7 +41,7 @@ def request(string)
         def extract_referral(response)
           return unless (match = response.match(/Registrar WHOIS Server:(.+?)$/))
 
-          server = match[match.size - 1].strip
+          server = match[-1].strip
           server.empty? ? nil : server
         end
       end

whois.gemspec

@@ -12,7 +12,7 @@ Gem::Specification.new do |s|
   s.description = "Whois is an intelligent WHOIS client and parser written in pure Ruby. It can query registry data for IPv4, IPv6 and top level domains, and parse the responses into easy-to-use Ruby objects via the whois-parser library."
   s.license     = "MIT"
 
-  s.required_ruby_version = ">= 3.0"
+  s.required_ruby_version = ">= 3.2"
 
   s.require_paths    = %w( lib )
   s.executables      =%w( whoisrb )