Update rake requirement from ~> 12.0 to ~> 13.0

Updates the requirements on [rake](https://github.com/ruby/rake) to permit the latest version.
- [Release notes](https://github.com/ruby/rake/releases)
- [Changelog](https://github.com/ruby/rake/blob/master/History.rdoc)
- [Commits](ruby/rake@v12.2.1...v13.0.1)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Gemfile.lock

@@ -32,7 +32,7 @@ GEM
     pry-nav (0.2.4)
       pry (>= 0.9.10, < 0.11.0)
     rainbow (3.0.0)
-    rake (12.2.1)
+    rake (13.0.1)
     rspec (3.7.0)
       rspec-core (~> 3.7.0)
       rspec-expectations (~> 3.7.0)
@@ -72,7 +72,7 @@ DEPENDENCIES
   bundler (~> 1.16)
   free_zipcode_data!
   pry-nav (~> 0.2)
-  rake (~> 12.0)
+  rake (~> 13.0)
   rspec (~> 3.7)
   rubocop (~> 0.55)
   ruby-prof (~> 0.17)

free_zipcode_data.gemspec

@@ -27,7 +27,7 @@ Gem::Specification.new do |spec|
 
   spec.add_development_dependency 'bundler', '~> 1.16'
   spec.add_development_dependency 'pry-nav', '~> 0.2'
-  spec.add_development_dependency 'rake', '~> 12.0'
+  spec.add_development_dependency 'rake', '~> 13.0'
   spec.add_development_dependency 'rspec', '~> 3.7'
   spec.add_development_dependency 'rubocop', '~> 0.55'
   spec.add_development_dependency 'ruby-prof', '~> 0.17'