chore: bump version to 2.0.0

Breaking changes and new features since 1.3.3:
- Normalize all strings to UTF-8 encoding (#28)
- Skip empty/blank tags to prevent regex hang (#16)
- Use Dir.glob for gemspec files (#30, #3)
- Support array_tags option for multiple values (#10)
- Support attributes on item/entry tags (#35)
- Support attributes on channel/feed tags (#38)
- Update LICENSE with current FSF text (#26)
- Modernize CI/CD with GitHub Actions and RuboCop

Author: cardmagic

lib/simple-rss.rb

@@ -4,7 +4,7 @@
 require "time"
 
 class SimpleRSS
-  VERSION = "1.3.3".freeze
+  VERSION = "2.0.0".freeze
 
   # @rbs @items: Array[Hash[Symbol, untyped]]
   # @rbs @source: String

simple-rss.gemspec

@@ -1,8 +1,7 @@
 Gem::Specification.new do |s|
   s.name = "simple-rss"
-  s.version = "1.3.3"
-  s.version = "#{s.version}-alpha-#{ENV['TRAVIS_BUILD_NUMBER']}" if ENV["TRAVIS"]
-  s.date = "2015-08-17"
+  s.version = "2.0.0"
+  s.date = "2025-12-28"
   s.summary = "A simple, flexible, extensible, and liberal RSS and Atom reader for Ruby. It is designed to be backwards compatible with the standard RSS parser, but will never do RSS generation."
   s.email = "lucas@rufy.com"
   s.homepage = "http://github.com/cardmagic/simple-rss"