Version bump to v2.8.0.beta8 (#14948)

Version bump to v2.8.0.beta8 (#14948)

diff --git a/lib/version.rb b/lib/version.rb
index 80ba316..e44370a 100644
--- a/lib/version.rb
+++ b/lib/version.rb
@@ -10,7 +10,7 @@ module Discourse
       MAJOR = 2
       MINOR = 8
       TINY  = 0
-      PRE   = 'beta7'
+      PRE   = 'beta8'
 
       STRING = [MAJOR, MINOR, TINY, PRE].compact.join('.')
     end

GitHub sha: cbfe48b9902736998ebe89079745c7557e0d8664

This commit appears in #14948 which was approved by davidtaylorhq. It was merged by nlalonde.