Drop 2.5 support, add more versions

Author: joshbuddy

.github/workflows/test.yml

@@ -8,9 +8,10 @@ jobs:
       fail-fast: false
       matrix:
         ruby-version:
-        - '2.5'
         - '2.6'
         - '2.7'
+        - '3.0'
+        - '3.1'
         - ruby-head
         - jruby-head
         - truffleruby-head

jsonpath.gemspec

@@ -5,7 +5,7 @@ require File.join(File.dirname(__FILE__), 'lib', 'jsonpath', 'version')
 Gem::Specification.new do |s|
   s.name = 'jsonpath'
   s.version = JsonPath::VERSION
-  s.required_ruby_version = '>= 2.5'
+  s.required_ruby_version = '>= 2.6'
   s.authors = ['Joshua Hull', 'Gergely Brautigam']
   s.summary = 'Ruby implementation of http://goessner.net/articles/JsonPath/'
   s.description = 'Ruby implementation of http://goessner.net/articles/JsonPath/.'