chore: bump version to 2.1.0

Release includes Enumerable support with each, [], and latest methods.

Author: cardmagic

lib/simple-rss.rb

@@ -10,7 +10,7 @@ class SimpleRSS
   # @rbs!
   #   include Enumerable[Hash[Symbol, untyped]]
 
-  VERSION = "2.0.0".freeze
+  VERSION = "2.1.0".freeze
 
   # @rbs @items: Array[Hash[Symbol, untyped]]
   # @rbs @source: String

simple-rss.gemspec

@@ -1,7 +1,7 @@
 Gem::Specification.new do |s|
   s.name = "simple-rss"
-  s.version = "2.0.0"
-  s.date = "2025-12-28"
+  s.version = "2.1.0"
+  s.date = "2025-12-29"
   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 = "https://github.com/cardmagic/simple-rss"