bundler(deps): bump excon from 0.109.0 to 1.5.0 (#97)

Author: dependabot[bot]

Gemfile.lock

@@ -6,7 +6,8 @@ GEM
     docker-api (2.4.0)
       excon (>= 0.64.0)
       multi_json
-    excon (0.109.0)
+    excon (1.5.0)
+      logger
     logger (1.7.0)
     multi_json (1.15.0)
     net-scp (4.1.0)