Add support for Bundler 4

Author: michaelnordmeyer

_demo

@@ -13,7 +13,7 @@ Gem::Specification.new do |spec|
   spec.metadata["plugin_type"] = "theme"
 
   spec.files         = `git ls-files -z`.split("\x0").select do |f|
-    f.match(%r!^(assets|_data|_layouts|_includes|_sass|(CODE_OF_CONDUCT|LICENSE|README)((\.(txt|md|markdown)|$))|_config\.yml)!i)
+    f.match(%r!^(_data|_includes|_layouts|_sass|assets|(CODE_OF_CONDUCT|LICENSE|README)((\.(txt|md|markdown)|$))|_config\.yml)!i)
   end
 
   spec.required_ruby_version = '>= 2.7.0' # according to jekyll.gemspec
@@ -23,6 +23,6 @@ Gem::Specification.new do |spec|
   spec.add_runtime_dependency "jekyll-include-cache", "~> 0.2"
   spec.add_runtime_dependency "jekyll-titleize", "~> 0.1"
 
-  spec.add_development_dependency "bundler", "~> 2.4"
-  spec.add_development_dependency "rake", "~> 13.0"
+  spec.add_development_dependency "bundler", ">= 2.4"
+  spec.add_development_dependency "rake", ">= 13.0"
 end