Update rake requirement from = 13.0.6 to = 13.1.0 (#17)

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@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>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Gemfile.lock

@@ -27,7 +27,7 @@ GEM
     public_suffix (5.0.3)
     racc (1.7.1)
     rainbow (3.1.1)
-    rake (13.0.6)
+    rake (13.1.0)
     rchardet (1.8.0)
     regexp_parser (2.8.2)
     rexml (3.2.6)
@@ -66,7 +66,7 @@ PLATFORMS
 DEPENDENCIES
   incr!
   meowcop (= 3.2.0)
-  rake (= 13.0.6)
+  rake (= 13.1.0)
   rspec (= 3.12.0)
   rubocop (= 1.38.0)
 

incr.gemspec

@@ -24,7 +24,7 @@ Gem::Specification.new do |spec|
   spec.add_runtime_dependency('sem_version', '2.0.1')
   spec.add_runtime_dependency('git', '1.18.0')
 
-  spec.add_development_dependency('rake', '13.0.6')
+  spec.add_development_dependency('rake', '13.1.0')
   spec.add_development_dependency('rspec', '3.12.0')
   spec.add_development_dependency('rubocop', '1.38.0')
   spec.add_development_dependency('meowcop', '3.2.0')