postmarketos-mkinitfs: upgrade to 2.2 (MR 4190)

Changelog: https://gitlab.com/postmarketOS/postmarketos-mkinitfs/-/tags/2.2

[ci:skip-build] already built successfully in CI

main/postmarketos-mkinitfs/APKBUILD

 # Maintainer: Oliver Smith <ollieparanoid@postmarketos.org>
 # Co-Maintainer: Clayton Craft <clayton@craftyguy.net>
 pkgname=postmarketos-mkinitfs
-pkgver=2.1.1
+pkgver=2.2
 pkgrel=0
 pkgdesc="Tool to generate initramfs images for postmarketOS"
 url="https://postmarketos.org"
@@ -50,6 +50,6 @@ check() {
 }
 
 sha512sums="
-6ff8b63a0c90002de40115dd25315105321323efdf5041e380a9200fa8a9925d109e08b9575333571acb00bf4abd358d89121b86dd73e6509c0a4d6924f568aa  postmarketos-mkinitfs-2.1.1.tar.gz
-368175d6d934963ffb29a7be89bcd54469aca1c4c5e7bf02bb33bd2b35ec9c56dc826fe2213fba485b97456be41d7cb30551aaecf9cac6b292736c33feeaf8e0  mkinitfs-vendor-2.1.1.tar.gz
+7efa31463e85dbcf53baac75b081060df91fee09f1ed33d5b45909d2e2571f8869be16552c486cf9f9e9945598c04ba96656dfa7a17a83a3654985901ef16b57  postmarketos-mkinitfs-2.2.tar.gz
+b817718da500bee51d2de610cadfcbda88bd110ebc3ecf5c798fb3d0175e9977fb638c8bfb2054bc4573d00ff03b6ffc85654f7d6964b37577bc9de1be01a08c  mkinitfs-vendor-2.2.tar.gz
 "