Add dynamic dependency patch

Author: sylhare

type-on-strap.gemspec

@@ -23,10 +23,23 @@ Gem::Specification.new do |spec|
                                Thanks for using Type on strap v2+!
                                MSG
 
-  spec.required_ruby_version   = ">= 2.7.2", "< 4.0"
-
-  spec.add_runtime_dependency "jekyll", ">= 3.8", "< 5.0"
+  spec.required_ruby_version = ">= 2.7.2", "< 4.0"
+  spec.add_development_dependency "bundler", ">= 2.2"
   spec.add_runtime_dependency "jekyll-feed", ">= 0.15.1", "<= 0.17"
   spec.add_runtime_dependency "jekyll-paginate", "~> 1.1.0"
   spec.add_runtime_dependency "jekyll-seo-tag", ">= 2.7.1", "<= 2.8"
+
+  if RUBY_VERSION >= "3.0.0"
+    spec.add_runtime_dependency "webrick", "~> 1.7"
+    spec.add_runtime_dependency "jekyll", ">= 3.8", "< 4.0"
+  else
+    spec.add_runtime_dependency "jekyll", ">= 4.0", "< 5.0"
+    spec.add_runtime_dependency "kramdown-parser-gfm", "~> 1.1.0"
+  end
+
+  if RUBY_VERSION >= "3.4.0"
+    spec.add_runtime_dependency "csv"
+    spec.add_runtime_dependency "bigdecimal"
+  end
+
 end