Drop support for Ruby 3.0

.github/workflows/ci.yml

@@ -22,7 +22,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ruby-version: ['3.0', '3.1', '3.2', '3.3']
+        ruby-version: ['3.1', '3.2', '3.3']
 
     steps:
     - uses: actions/checkout@v3

.rubocop.yml

@@ -7,7 +7,7 @@ require:
 
 AllCops:
   NewCops: enable
-  TargetRubyVersion: 3.0
+  TargetRubyVersion: 3.1
 
 Layout/ArgumentAlignment:
   EnforcedStyle: with_fixed_indentation

README.md

@@ -46,9 +46,9 @@ then Nokogiri, and finally REXML.
 This library aims to support and is tested against the following Ruby
 implementations:
 
-* 3.0
 * 3.1
 * 3.2
+* 3.3
 
 If something doesn't work on one of these versions, it's a bug.
 

lib/multi_xml.rb

@@ -42,7 +42,7 @@ def initialize(type)
       "decimal" => proc { |number| BigDecimal(number) },
       "boolean" => proc { |boolean| !%w[0 false].include?(boolean.strip) },
       "string" => proc { |string| string.to_s },
-      "yaml" => proc { |yaml| YAML.load(yaml) rescue yaml }, # rubocop:disable Style/RescueModifier, Security/YAMLLoad
+      "yaml" => proc { |yaml| YAML.load(yaml) rescue yaml }, # rubocop:disable Style/RescueModifier
       "base64Binary" => proc { |binary| base64_decode(binary) },
       "binary" => proc { |binary, entity| parse_binary(binary, entity) },
       "file" => proc { |file, entity| parse_file(file, entity) }

multi_xml.gemspec

@@ -9,7 +9,7 @@ Gem::Specification.new do |spec|
   spec.summary = "Provides swappable XML backends utilizing LibXML, Nokogiri, Ox, or REXML."
   spec.homepage = "https://github.com/sferik/multi_xml"
   spec.license = "MIT"
-  spec.required_ruby_version = ">= 3.0"
+  spec.required_ruby_version = ">= 3.1.4"
 
   spec.metadata["allowed_push_host"] = "https://rubygems.org"