Merge branch 'bump-rugged-version' into 'master'

Bump rugged version to be in line with gitlab_git requirements



See merge request !1780

Gemfile.lock

@@ -107,7 +107,7 @@ GEM
       json (>= 1.7)
     celluloid (0.16.0)
       timers (~> 4.0.0)
-    charlock_holmes (0.6.9.4)
+    charlock_holmes (0.7.3)
     chunky_png (1.3.4)
     cliver (0.3.2)
     coderay (1.1.0)
@@ -611,7 +611,7 @@ GEM
       sexp_processor (~> 4.1)
     rubyntlm (0.5.2)
     rubypants (0.2.0)
-    rugged (0.22.2)
+    rugged (0.23.3)
     safe_yaml (1.0.4)
     sanitize (2.1.0)
       nokogiri (>= 1.4.4)