Require Ruby >= 3.3 and update CI Ruby versions

Author: dduugg

.github/workflows/ci.yml

@@ -12,9 +12,8 @@ jobs:
     strategy:
       matrix:
         ruby:
-          - 3.1
-          - 3.2
           - 3.3
+          - 3.4
     env:
       BUNDLE_GEMFILE: Gemfile
     name: "RSpec tests: Ruby ${{ matrix.ruby }}"

.ruby-version

@@ -1 +1 @@
-3.2.2
+3.4.9

pack_stats.gemspec

@@ -19,7 +19,7 @@ Gem::Specification.new do |spec|
           'public gem pushes.'
   end
 
-  spec.required_ruby_version = Gem::Requirement.new('>= 2.6.0')
+  spec.required_ruby_version = Gem::Requirement.new('>= 3.3')
 
   # Specify which files should be added to the gem when it is released.
   spec.files = Dir['README.md', 'lib/**/*']