Update Arch kernel to 5.14.15

pkg/arch/kernel/PKGBUILD

@@ -2,8 +2,8 @@
 # Maintainer: Jan Alexander Steffens (heftig) <jan.steffens@gmail.com>
 
 pkgbase=linux-surface
-pkgver=5.14.14.arch1
-pkgrel=3
+pkgver=5.14.15.arch1
+pkgrel=1
 pkgdesc='Linux'
 _shortver=${pkgver%.*}
 _fullver=${pkgver%.*}-${pkgver##*.}