Bump rake from 13.0.6 to 13.1.0

Bumps [rake](https://github.com/ruby/rake) from 13.0.6 to 13.1.0.
- [Release notes](https://github.com/ruby/rake/releases)
- [Changelog](https://github.com/ruby/rake/blob/master/History.rdoc)
- [Commits](ruby/rake@v13.0.6...v13.1.0)

---
updated-dependencies:
- dependency-name: rake
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Gemfile

@@ -22,7 +22,7 @@ gem 'unicorn', '~> 6.1'
 group :development do
   gem 'byebug', '~> 11.1'
   gem 'rack-test', '~> 2.1'
-  gem 'rake', '~> 13.0'
+  gem 'rake', '~> 13.1'
   gem 'rspec', '~> 3.12'
   gem 'simplecov', '~> 0.22.0'
   gem 'timecop', '~> 0.9.8'

Gemfile.lock

@@ -59,7 +59,7 @@ GEM
     rack-test (2.1.0)
       rack (>= 1.3)
     raindrops (0.20.0)
-    rake (13.0.6)
+    rake (13.1.0)
     redis (4.8.1)
     redis-namespace (1.11.0)
       redis (>= 4)
@@ -132,7 +132,7 @@ DEPENDENCIES
   mime-types (~> 3.5)
   nokogiri (~> 1.13)
   rack-test (~> 2.1)
-  rake (~> 13.0)
+  rake (~> 13.1)
   redis-namespace (~> 1.11)
   rest-client (~> 2.1)
   rspec (~> 3.12)