build(deps): Bump reline from 0.5.5 to 0.5.6

Bumps [reline](https://github.com/ruby/reline) from 0.5.5 to 0.5.6.
- [Release notes](https://github.com/ruby/reline/releases)
- [Commits](ruby/reline@v0.5.5...v0.5.6)

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

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

Gemfile.lock

@@ -337,7 +337,7 @@ GEM
       redis-client (>= 0.22.0)
     redis-client (0.22.1)
       connection_pool
-    reline (0.5.5)
+    reline (0.5.6)
       io-console (~> 0.5)
     request_store (1.7.0)
       rack (>= 1.4)