[devdocsgjs/main: 616/1867] fix gemfile

[Andy Holmes <andyholmes src gnome org>]

commit 737369cf09592e94a850bfc13b44a4810f7a3d16
Author: Mathieu PATUREL <australie p gmail com>
Date:   Sun Apr 28 16:46:10 2019 +1000

    fix gemfile
    
    i changed it manually earlier because I have 2.6.2 install on my machine

 Gemfile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/Gemfile b/Gemfile
index da6e8ba0..31b57064 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,5 +1,5 @@
 source 'https://rubygems.org'
-ruby '2.6.2'
+ruby '2.6.0'
 
 gem 'rake'
 gem 'thor'