build(deps): Bump drb from 2.1.1 to 2.2.0 (#2009)

Bumps [drb](https://github.com/ruby/drb) from 2.1.1 to 2.2.0.
- [Release notes](https://github.com/ruby/drb/releases)
- [Commits](ruby/drb@v2.1.1...v2.2.0)

---
updated-dependencies:
- dependency-name: drb
  dependency-type: indirect
  update-type: version-update:semver-minor
...

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

Gemfile.lock

@@ -107,7 +107,7 @@ GEM
       railties (>= 4.1.0)
       responders
       warden (~> 1.2.3)
-    drb (2.1.1)
+    drb (2.2.0)
       ruby2_keywords
     dry-cli (1.0.0)
     erubi (1.12.0)