Bump reline from 0.5.12 to 0.6.0

Bumps [reline](https://github.com/ruby/reline) from 0.5.12 to 0.6.0.
- [Release notes](https://github.com/ruby/reline/releases)
- [Commits](ruby/reline@v0.5.12...v0.6.0)

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

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

Gemfile.lock

@@ -607,7 +607,7 @@ GEM
     redis-client (0.23.0)
       connection_pool
     regexp_parser (2.9.3)
-    reline (0.5.12)
+    reline (0.6.0)
       io-console (~> 0.5)
     request_store (1.7.0)
       rack (>= 1.4)