Version bump to v2.8.0.beta5 (#14210)

Version bump to v2.8.0.beta5 (#14210)

diff --git a/lib/version.rb b/lib/version.rb
index bd5490b..f444aec 100644
--- a/lib/version.rb
+++ b/lib/version.rb
@@ -10,7 +10,7 @@ module Discourse
       MAJOR = 2
       MINOR = 8
       TINY  = 0
-      PRE   = 'beta4'
+      PRE   = 'beta5'
 
       STRING = [MAJOR, MINOR, TINY, PRE].compact.join('.')
     end

GitHub sha: c6f1818b85a8b7883adff0fdb5ada2fbe87cfe04

This commit appears in #14210 which was approved by eviltrout. It was merged by nlalonde.