Merge pull request #225 from mruby/dependabot/bundler/git-2.1.0

Bump git from 2.0.1 to 2.1.0

Author: matz

Gemfile.lock

@@ -22,7 +22,7 @@ GEM
     coffee-script-source (1.12.2)
     colorator (1.1.0)
     commonmarker (0.23.10)
-    concurrent-ruby (1.2.3)
+    concurrent-ruby (1.3.1)
     connection_pool (2.4.1)
     dnsruby (1.70.0)
       simpleidn (~> 0.2.1)
@@ -41,7 +41,7 @@ GEM
     ffi (1.15.5)
     forwardable-extended (2.6.0)
     gemoji (4.1.0)
-    git (2.0.1)
+    git (2.1.0)
       activesupport (>= 5.0)
       addressable (~> 2.8)
       process_executer (~> 1.1)
@@ -226,7 +226,7 @@ GEM
       jekyll (>= 3.5, < 5.0)
       jekyll-feed (~> 0.9)
       jekyll-seo-tag (~> 2.1)
-    minitest (5.23.0)
+    minitest (5.23.1)
     mutex_m (0.2.0)
     nokogiri (1.16.5)
       mini_portile2 (~> 2.8.2)