MDL-52139 backup: Bump release to 3.1

diff --git a/backup/backup.class.php b/backup/backup.class.php
index 894aebd..0b2ed3f 100644 (file)
--- a/backup/backup.class.php
+++ b/backup/backup.class.php
@@ -135,7 +135,7 @@ abstract class backup implements checksumable {
     /**
      * Usually same than major release zero version, mainly for informative/historic purposes.
      */
-    const RELEASE = '3.0';
+    const RELEASE = '3.1';
 }
 
 /*