pmbootstrap: upgrade to 1.9.0

main/pmbootstrap/APKBUILD

 # Contributor: Bart Ribbers <bribbers@disroot.org>
 # Maintainer: Oliver Smith <ollieparanoid@postmarketos.org>
 pkgname=pmbootstrap
-pkgver=1.8.3
+pkgver=1.9.0
 pkgrel=0
 pkgdesc="Sophisticated chroot/build/flash tool to develop and install postmarketOS"
 url="https://gitlab.com/postmarketOS/pmbootstrap"
@@ -24,4 +24,4 @@ check() {
 package() {
 	python3 setup.py install --prefix=/usr --root="$pkgdir"
 }
-sha512sums="bb17515f399bf901f6f41e48a033fdf433ce892582fd6ad00aadd576e5b1f23f53786062cb14dbcb791330674d208b086be0c6f187d54c681f2fb57122838b58  pmbootstrap-1.8.3.tar.gz"
+sha512sums="54f8845bebef3a85d7ac2d19abcc5881c014e64b0e22e2314a64d7ff876e9b1362e971325a1e5521af08070fc8b222cfd92946b0b623887d03328632fe86b857  pmbootstrap-1.9.0.tar.gz"