ruby: update dependency

Author: Markus Benkenstein

Gemfile.lock

@@ -14,7 +14,7 @@ GEM
       rexml
     diff-lcs (1.5.0)
     hashdiff (1.0.1)
-    jaro_winkler (1.5.4)
+    jaro_winkler (1.6.0)
     json (2.7.1)
     mixlib-cli (1.7.0)
     parallel (1.19.2)