Version to 6.2.1

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Gemfile.lock

 PATH
   remote: .
   specs:
-    gitlab_git (6.2.0)
+    gitlab_git (6.2.1)
       activesupport (~> 4.0)
       charlock_holmes (~> 0.6)
       gitlab-grit (~> 2.6)
@@ -61,7 +61,7 @@ GEM
     mime-types (1.25.1)
     minitest (5.4.0)
     multi_json (1.7.2)
-    posix-spawn (0.3.8)
+    posix-spawn (0.3.9)
     pry (0.9.12.1)
       coderay (~> 1.0.5)
       method_source (~> 0.8)
@@ -89,7 +89,7 @@ GEM
     slop (3.4.4)
     thor (0.18.1)
     thread_safe (0.3.4)
-    tzinfo (1.2.1)
+    tzinfo (1.2.2)
       thread_safe (~> 0.1)
     webmock (1.11.0)
       addressable (>= 2.2.7)

VERSION

-6.2.0
+6.2.1