main/postmarketos-mkinitfs: upgrade to 2.6.1

Note: this includes a breaking change in pmaports if pmos-initramfs isn't changed to support merging the initramfs+initramfs-extra. Do not cherry-pick without the required initramfs changes!

main/postmarketos-mkinitfs/APKBUILD

 # Maintainer: Oliver Smith <ollieparanoid@postmarketos.org>
 # Co-Maintainer: Clayton Craft <clayton@craftyguy.net>
 pkgname=postmarketos-mkinitfs
-pkgver=2.5.1
+pkgver=2.6.1
 pkgrel=0
 pkgdesc="Tool to generate initramfs images for postmarketOS"
 url="https://postmarketos.org"
@@ -59,6 +59,6 @@ check() {
 }
 
 sha512sums="
-6f2e5c8281a8e6b340f2288b31fb102dcc98480e8bf905bf57a54a81d36a5615b194f0a56f5cd3be207784278257eb6ee3dfecaccb60c3332f4d0f45bafedaa3  postmarketos-mkinitfs-2.5.1.tar.gz
-420e4bd8126f765c18b3ea48b2dc7356727958826dbe1086b753f5d46bc9b56d25ed668db8f9f4e8c9d5b1e943105850071c9c3ce442daf12eaa80516e973372  mkinitfs-vendor-2.5.1.tar.gz
+53b69dcd4ad09439e9c4449947e374db714b4b5acf5847fa8fdac024e3e9803ecd9f0ea7170a696cc878cd883fda46e1e6076ea6f7936ef1166d942a1bb2ffc0  postmarketos-mkinitfs-2.6.1.tar.gz
+5b96cfbfc652d744a717d19c17b446ef94f09b00152a7620112a66709057fa56f203855519ed53b948f79424715fc20b93d44aaa38051fac9ceb7eda586020b3  mkinitfs-vendor-2.6.1.tar.gz
 "