Reduce version compatibility to Ruby < 3

Ruby 3 has changed keyword argument handling and safemode doesn't deal with that correctly. That means it's broken in various cases.
theforeman · Nov 22, 2022 · c60facc · c60facc
1 parent 8d5392c
commit c60facc
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diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
@@ -18,8 +18,6 @@ jobs:
       matrix:
         ruby:
           - "2.7"
-          - "3.0"
-          - "3.1"
     steps:
       - uses: actions/checkout@v3
       - uses: ruby/setup-ruby@v1

diff --git a/safemode.gemspec b/safemode.gemspec
@@ -53,7 +53,7 @@ Gem::Specification.new do |s|
     "test/test_safemode_parser.rb"
   ]
 
-  s.required_ruby_version = ">= 2.7", "< 4"
+  s.required_ruby_version = ">= 2.7", "< 3"
 
   s.add_runtime_dependency "ruby2ruby", ">= 2.4.0"
   s.add_runtime_dependency "ruby_parser", ">= 3.10.1"