Bump debian changelog date

Author: rubiojr

debian/changelog

@@ -4,7 +4,7 @@ github-backup-utils (2.5.0) UNRELEASED; urgency=medium
   * Adds GitHub Enterprise Cluster support
   * Backups and restores SAML keypairs
 
- -- Sergio Rubio <rubiojr@github.com>  Tue, 20 Oct 2015 00:02:37 +0000
+ -- Sergio Rubio <rubiojr@github.com>  Tue, 9 Feb 2016 00:02:37 +0000
 
 github-backup-utils (2.4.0) UNRELEASED; urgency=medium