Update rake to version 13.0.1 (#9)

Co-authored-by: depfu[bot] <23717796+depfu[bot]@users.noreply.github.com>

Author: depfu[bot]

Gemfile.lock

@@ -17,7 +17,7 @@ GEM
     i18n (1.8.2)
       concurrent-ruby (~> 1.0)
     minitest (5.14.0)
-    rake (10.5.0)
+    rake (13.0.1)
     thread_safe (0.3.6)
     tzinfo (1.2.6)
       thread_safe (~> 0.1)
@@ -31,7 +31,7 @@ DEPENDENCIES
   bundler (~> 2.0)
   erratum_responsum!
   minitest (~> 5.0)
-  rake (~> 10.0)
+  rake (~> 13.0)
 
 BUNDLED WITH
    2.0.1

erratum_responsum.gemspec

@@ -38,6 +38,6 @@ Gem::Specification.new do |spec|
   spec.add_dependency 'activesupport', '>= 4.0.0'
 
   spec.add_development_dependency "bundler", "~> 2.0"
-  spec.add_development_dependency "rake", "~> 10.0"
+  spec.add_development_dependency "rake", "~> 13.0"
   spec.add_development_dependency "minitest", "~> 5.0"
 end