device-lenovo-21bx: always resize the root partition

It's common to build installs for this device to flash on USB drives or whatever, and the rootfs alwys runs out of space fast because it's not resized on boot. Let's fix that...

device/community/device-lenovo-21bx/APKBUILD

@@ -4,8 +4,8 @@
 # Reference: <https://postmarketos.org/devicepkg>
 pkgname=device-lenovo-21bx
 pkgdesc="Lenovo ThinkPad X13s"
-pkgver=12
-pkgrel=1
+pkgver=13
+pkgrel=0
 url="https://postmarketos.org"
 license="MIT"
 arch="aarch64"
@@ -63,7 +63,7 @@ usbguard() {
 }
 
 sha512sums="
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+d0fd0e6adb51a4e01c83b8e58183ed4b4d13cf8e871a283cdd4003c06dd8d357e4c013dcbc4fa69ec84c580470e3f5d85693279bcec3fc21202acaecfeede86a  deviceinfo
 5f4e6a80455c8a2ed879bfd457a89f81790824657ed4101e03b7ec288a274e63340f48e2ad5028cf83744263a4529584b1e94c36d10b98912e5b31804fa98ff0  firmware.files
 27705e998db262602b50004083fe160dbcde88e9fdcaeb43e3d1d79be0b7af371f84855bb93ba16ada3cf5fa8ff8da6ca159cda4b1de08fb54ac451c57169c57  modules-initfs
 52bbb9564ec713db5d46937701b121afe0c6c644fffe189a05766f491b4997b1bbc4c1f90229efb5764d795df8d40a57d4c840ee4b32d426e7a84520364b8bf5  pipewire.conf