Pass the .github directory target explicitly when running thor:

- If the source target is a hidden folder, then we have to have a
  special glob in the gemspec because `lib/**/*` wouldn't include
  our folder in the packaged gem.

Author: Edouard-chin

cibuildgem.gemspec

@@ -25,7 +25,7 @@ Gem::Specification.new do |spec|
   spec.metadata["homepage_uri"] = spec.homepage
   spec.metadata["source_code_uri"] = "https://github.com/shopify/cibuildwheel"
 
-  spec.files = Dir["{exe,lib}/**/*", "LICENSE.md", "README.md", "lib/cibuildgem/templates/.github/**/*"]
+  spec.files = Dir["{exe,lib}/**/*", "LICENSE.md", "README.md"]
   spec.bindir = "exe"
   spec.executables = spec.files.grep(%r{\Aexe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]

lib/cibuildgem/cli.rb

@@ -101,7 +101,7 @@ def ci_template
       @runtime_version_for_compilation = RubySeries.runtime_version_for_compilation(ruby_requirements)
       @ruby_versions_for_testing = RubySeries.versions_to_test_against(ruby_requirements)
 
-      directory(".github", context: instance_eval("binding"))
+      directory("github", ".github", context: instance_eval("binding"))
     end
 
     desc "release", "Release the gem with precompiled binaries. For internal usage.", hide: true