Bump rake from 13.3.0 to 13.3.1

Bumps [rake](https://github.com/ruby/rake) from 13.3.0 to 13.3.1.
- [Release notes](https://github.com/ruby/rake/releases)
- [Changelog](https://github.com/ruby/rake/blob/master/History.rdoc)
- [Commits](https://github.com/ruby/rake/compare/v13.3.0...v13.3.1)

---
updated-dependencies:
- dependency-name: rake
  dependency-version: 13.3.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Gemfile.lock

@@ -166,7 +166,7 @@ GEM
     rack-test (2.2.0)
       rack (>= 1.3)
     rainbow (3.1.1)
-    rake (13.3.0)
+    rake (13.3.1)
     rdoc (6.15.0)
       erb
       psych (>= 4.0.0)