Bump rake from 13.0.6 to 13.2.1

Bumps [rake](https://github.com/ruby/rake) from 13.0.6 to 13.2.1.
- [Release notes](https://github.com/ruby/rake/releases)
- [Changelog](https://github.com/ruby/rake/blob/master/History.rdoc)
- [Commits](ruby/rake@v13.0.6...v13.2.1)

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

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

Gemfile.lock

@@ -68,7 +68,7 @@ GEM
     racc (1.6.2)
     rack (3.0.9.1)
     rainbow (3.1.1)
-    rake (13.0.6)
+    rake (13.2.1)
     regexp_parser (2.6.2)
     reverse_markdown (2.1.1)
       nokogiri