Bump sequel from 5.83.1 to 5.84.0

Bumps [sequel](https://github.com/jeremyevans/sequel) from 5.83.1 to 5.84.0.
- [Changelog](https://github.com/jeremyevans/sequel/blob/master/CHANGELOG)
- [Commits](jeremyevans/sequel@5.83.1...5.84.0)

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

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

Gemfile.lock

@@ -112,7 +112,7 @@ GEM
  rexml (~> 3.2, >= 3.2.5)
  rubyzip (>= 1.2.2, < 3.0)
  websocket (~> 1.0)
- sequel (5.83.1)
+ sequel (5.84.0)
  bigdecimal
  simplecov (0.16.1)
  docile (~> 1.1)