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:production
  update-type: version-update:semver-minor
...

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

Gemfile

@@ -5,7 +5,7 @@ source "https://rubygems.org"
 # Specify your gem's dependencies in gold-miner.gemspec
 gemspec
 
-gem "rake", "~> 13.0"
+gem "rake", "~> 13.1"
 gem "standard", "~> 1.31"
 
 group :test do

Gemfile.lock

@@ -69,7 +69,7 @@ GEM
     public_suffix (5.0.3)
     racc (1.7.1)
     rainbow (3.1.1)
-    rake (13.0.6)
+    rake (13.1.0)
     regexp_parser (2.8.1)
     rexml (3.2.6)
     rspec (3.12.0)
@@ -144,7 +144,7 @@ PLATFORMS
 
 DEPENDENCIES
   gold_miner!
-  rake (~> 13.0)
+  rake (~> 13.1)
   rspec (~> 3.0)
   simplecov
   standard (~> 1.31)