Bump reline from 0.3.8 to 0.3.9

Bumps [reline](https://github.com/ruby/reline) from 0.3.8 to 0.3.9.
- [Release notes](https://github.com/ruby/reline/releases)
- [Commits](ruby/reline@v0.3.8...v0.3.9)

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

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

Gemfile.lock

@@ -237,7 +237,7 @@ GEM
       redis-client (>= 0.9.0)
     redis-client (0.17.0)
       connection_pool
-    reline (0.3.8)
+    reline (0.3.9)
       io-console (~> 0.5)
     reverse_markdown (2.1.1)
       nokogiri