Update gitlab-grack. Fixes issue with --depth option

Gemfile

@@ -26,7 +26,7 @@ gem 'omniauth-github'
 gem 'gitlab_git', '~> 1.2.1'
 # Ruby/Rack Git Smart-HTTP Server Handler
-gem 'gitlab-grack', '~> 1.0.0', require: 'grack'
+gem 'gitlab-grack', '~> 1.0.1', require: 'grack'
 # LDAP Auth
 gem 'gitlab_omniauth-ldap', '1.0.2', require: "omniauth-ldap"

Gemfile.lock

@@ -158,7 +158,7 @@ GEM
       pygments.rb (~> 0.4.2)
       sanitize (~> 2.0.3)
       stringex (~> 1.5.1)
-    gitlab-grack (1.0.0)
+    gitlab-grack (1.0.1)
       rack (~> 1.4.1)
     gitlab-grit (2.5.1)
       charlock_holmes (~> 0.6.9)
@@ -510,7 +510,7 @@ DEPENDENCIES
   github-linguist
   github-markup (~> 0.7.4)
   gitlab-gollum-lib (~> 1.0.0)
-  gitlab-grack (~> 1.0.0)
+  gitlab-grack (~> 1.0.1)
   gitlab-pygments.rb (~> 0.3.2)
   gitlab_git (~> 1.2.1)
   gitlab_meta (= 5.0)