Bump sequel from 5.21.0 to 5.22.0

Bumps [sequel](https://github.com/jeremyevans/sequel) from 5.21.0 to 5.22.0.
- [Release notes](https://github.com/jeremyevans/sequel/releases)
- [Changelog](https://github.com/jeremyevans/sequel/blob/master/CHANGELOG)
- [Commits](jeremyevans/sequel@5.21.0...5.22.0)

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

Gemfile.lock

@@ -95,7 +95,7 @@ GEM
     selenium-webdriver (3.142.3)
       childprocess (>= 0.5, < 2.0)
       rubyzip (~> 1.2, >= 1.2.2)
-    sequel (5.21.0)
+    sequel (5.22.0)
     simplecov (0.16.1)
       docile (~> 1.1)
       json (>= 1.8, < 3)