Workaround for reline.gemspec

This file searches "lib/reline/version.rb" in the same directory,
"lib/reline".  As no such path, the file in the default load path
is loaded unexpectedly.

.github/workflows/check_misc.yml

@@ -25,6 +25,7 @@ jobs:
       - name: Maintain updated default gem list
         run: |
           news = File.read("NEWS.md")
+          $:.unshift "lib"
           gems = Dir.glob("{ext,lib}/**/*.gemspec").map {|f|
             spec = Gem::Specification.load(f)
             [spec.name, spec.version]