update to bullseye

config/etc/apt/sources.list.d/debian-security.list

@@ -1 +1 @@
-deb https://deb.debian.org/debian-security buster/updates main contrib non-free
+deb https://deb.debian.org/debian-security bullseye/updates main contrib non-free

config/etc/apt/sources.list.d/debian.list

@@ -1 +1 @@
-deb https://deb.debian.org/debian buster main contrib non-free
+deb https://deb.debian.org/debian bullseye main contrib non-free

config/etc/apt/sources.list.d/docker.list

@@ -1 +1 @@
-deb [signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/debian buster stable
+deb [signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/debian bullseye stable

setup.sh

@@ -42,7 +42,7 @@ mount "$esp" "$chroot/boot/efi"
 
 # debootstrap
 
-debootstrap --variant=minbase --arch=amd64 buster "$chroot" https://deb.debian.org/debian/
+debootstrap --variant=minbase --arch=amd64 bullseye "$chroot" https://deb.debian.org/debian/
 
 mount -t proc none "$chroot/proc"
 mount -t sysfs none "$chroot/sys"