Merge pull request #1 from tessi/dependabot/bundler/rake-tw-13.0

Update rake requirement from ~> 10.0 to ~> 13.0

Author: tessi

malloc_trim.gemspec

@@ -25,7 +25,7 @@ Gem::Specification.new do |spec|
   spec.extensions    = ["ext/malloc_trim/extconf.rb"]
 
   spec.add_development_dependency "bundler", "~> 1.17"
-  spec.add_development_dependency "rake", "~> 10.0"
+  spec.add_development_dependency "rake", "~> 13.0"
   spec.add_development_dependency "rake-compiler"
   spec.add_development_dependency "rspec", "~> 3.0"
 end