Bump logger from 1.6.0 to 1.6.1

Bumps [logger](https://github.com/ruby/logger) from 1.6.0 to 1.6.1.
- [Release notes](https://github.com/ruby/logger/releases)
- [Commits](ruby/logger@v1.6.0...v1.6.1)

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

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

Gemfile.lock

@@ -156,7 +156,7 @@ GEM
       rails-dom-testing (>= 1, < 3)
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
-    logger (1.6.0)
+    logger (1.6.1)
     loofah (2.22.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.12.0)