Bump to version 3.1.0+dev

Author: ahesford

bin/generate-zbm

@@ -4,7 +4,7 @@
 use strict;
 use warnings;
 
-our $VERSION = '3.1.0';
+our $VERSION = '3.1.0+dev';
 
 use Getopt::Long qw(:config no_ignore_case auto_version);
 use Pod::Usage   qw(pod2usage);

zfsbootmenu/zbm-release

@@ -6,4 +6,4 @@ HOME_URL="https://zfsbootmenu.org"
 DOCUMENTATION_URL="https://docs.zfsbootmenu.org"
 BUG_REPORT_URL="https://github.com/zbm-dev/zfsbootmenu/issues"
 SUPPORT_URL="https://github.com/zbm-dev/zfsbootmenu/discussions"
-VERSION="3.1.0"
+VERSION="3.1.0+dev"