change grav version and deal with debian repo changes

vagrant/bootstrap.sh

@@ -5,7 +5,7 @@ WEB_NAME="disroot.lan"
 WEB_ROOT="/var/www/"
 WWW_USER="www-data"
 YAML="/var/www/disroot.lan/user/config/system.yaml"
-GRAV_VERSION="1.6.18"
+GRAV_VERSION="1.7.24"
 
 # Provisioning actions
 apt install dialog
@@ -16,6 +16,7 @@ sudo debconf-set-selections <<< "postfix postfix/mailname string ${WEB_NAME}"
 
 # Add sury repository to sources.list for PHP7.4
 echo "set grub-pc/install_devices /dev/sda" | debconf-communicate # Fix grub error
+sudo apt-get --allow-releaseinfo-change update
 sudo apt-get -y update
 sudo apt-get -y dist-upgrade
 sudo apt-get -y install ca-certificates apt-transport-https