Bump sendgrid-ruby from 6.6.2 to 6.7.0

Bumps [sendgrid-ruby](https://github.com/sendgrid/sendgrid-ruby) from 6.6.2 to 6.7.0.
- [Release notes](https://github.com/sendgrid/sendgrid-ruby/releases)
- [Changelog](https://github.com/sendgrid/sendgrid-ruby/blob/main/CHANGELOG.md)
- [Commits](sendgrid/sendgrid-ruby@6.6.2...6.7.0)

---
updated-dependencies:
- dependency-name: sendgrid-ruby
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Gemfile.lock

@@ -472,7 +472,7 @@ GEM
       rubyzip (>= 1.2.2, < 3.0)
       websocket (~> 1.0)
     semantic_range (3.1.0)
-    sendgrid-ruby (6.6.2)
+    sendgrid-ruby (6.7.0)
       ruby_http_client (~> 3.4)
     sexp_processor (4.16.1)
     shakapacker (6.6.0)