Bump gitlab_git to v7.1.0. It should fix a lot of encoding issues

Gemfile

@@ -39,7 +39,7 @@ gem "browser"
 
 # Extracting information from a git repository
 # Provide access to Gitlab::Git library
-gem "gitlab_git", '7.0.1'
+gem "gitlab_git", '7.1.0'
 
 # Ruby/Rack Git Smart-HTTP Server Handler
 gem 'gitlab-grack', '~> 2.0.0.rc2', require: 'grack'

Gemfile.lock

@@ -213,7 +213,7 @@ GEM
       mime-types (~> 1.19)
     gitlab_emoji (0.0.1.1)
       emoji (~> 1.0.1)
-    gitlab_git (7.0.1)
+    gitlab_git (7.1.0)
       activesupport (~> 4.0)
       charlock_holmes (~> 0.6)
       gitlab-linguist (~> 3.0)
@@ -607,7 +607,7 @@ GEM
       eventmachine (>= 1.0.0)
       rack (>= 1.0.0)
     thor (0.19.1)
-    thread_safe (0.3.4)
+    thread_safe (0.3.5)
     tilt (1.4.1)
     timers (4.0.1)
       hitimes
@@ -708,7 +708,7 @@ DEPENDENCIES
   gitlab-grack (~> 2.0.0.rc2)
   gitlab-linguist (~> 3.0.1)
   gitlab_emoji (~> 0.0.1.1)
-  gitlab_git (= 7.0.1)
+  gitlab_git (= 7.1.0)
   gitlab_meta (= 7.0)
   gitlab_omniauth-ldap (= 1.2.0)
   gollum-lib (~> 4.0.0)