Bump rubocop-sequel from 0.3.4 to 0.3.7 (#567)

Bumps [rubocop-sequel](https://github.com/rubocop/rubocop-sequel) from 0.3.4 to 0.3.7.
- [Release notes](https://github.com/rubocop/rubocop-sequel/releases)
- [Commits](rubocop/rubocop-sequel@0.3.4...0.3.7)

---
updated-dependencies:
- dependency-name: rubocop-sequel
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Gemfile.lock

@@ -212,7 +212,7 @@ GEM
       rubocop (>= 0.49.1)
     rubocop-rspec (3.1.0)
       rubocop (~> 1.61)
-    rubocop-sequel (0.3.4)
+    rubocop-sequel (0.3.7)
       rubocop (~> 1.0)
     rubocop-sorbet (0.8.6)
       rubocop (>= 1)