Merge pull request #954 from github/dependabot/bundler/ffi-1.11.0

Bump ffi from 1.10.0 to 1.11.0

Author: kenyonj

Gemfile.lock

@@ -28,7 +28,7 @@ GEM
     execjs (2.7.0)
     faraday (0.15.4)
       multipart-post (>= 1.2, < 3)
-    ffi (1.10.0)
+    ffi (1.11.0)
     forwardable-extended (2.6.0)
     gemoji (3.0.1)
     github-pages (198)