Bump rake from 12.3.1 to 13.0.1 (#525)

Bumps [rake](https://github.com/ruby/rake) from 12.3.1 to 13.0.1.
- [Release notes](https://github.com/ruby/rake/releases)
- [Changelog](https://github.com/ruby/rake/blob/master/History.rdoc)
- [Commits](ruby/rake@v12.3.1...v13.0.1)

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

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

Gemfile.lock

@@ -256,7 +256,7 @@ GEM
       activesupport (= 4.2.11)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rake (12.3.1)
+    rake (13.0.1)
     rb-fsevent (0.10.3)
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)