Bump rake from 13.0.6 to 13.1.0 (#93)

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

Gemfile.lock

@@ -25,7 +25,7 @@ GEM
       minitest (>= 5.15.0)
     netrc (0.11.0)
     public_suffix (5.0.3)
-    rake (13.0.6)
+    rake (13.1.0)
     rest-client (2.1.0)
       http-accept (>= 1.7.0, < 2.0)
       http-cookie (>= 1.0.2, < 2.0)