Bump logger from 1.6.4 to 1.6.5

Bumps [logger](https://github.com/ruby/logger) from 1.6.4 to 1.6.5.
- [Release notes](https://github.com/ruby/logger/releases)
- [Commits](ruby/logger@v1.6.4...v1.6.5)

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

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

Author: dependabot[bot]

Gemfile.lock

@@ -105,7 +105,7 @@ GEM
     listen (3.9.0)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
-    logger (1.6.4)
+    logger (1.6.5)
     memoist (0.16.2)
     middleman (4.5.1)
       coffee-script (~> 2.2)