packaging: use local Arch release archive

packaging/arch/PKGBUILD

@@ -5,7 +5,7 @@ pkgver=0.0.5
 pkgrel=1
 pkgdesc="Desktop client for Emby and Jellyfin media servers"
 arch=('x86_64')
-url="https://github.com/AlanHJ/qEmby"
+url="https://github.com/qEmby/qEmby"
 license=('MIT')
 depends=(
   'fmt'
@@ -25,7 +25,9 @@ makedepends=(
   'pkgconf'
   'qt6-tools'
 )
-source=("${pkgname}-${pkgver}.tar.gz::${url}/archive/refs/tags/v${pkgver}.tar.gz")
+# Build from a local release archive exported from this repository until the
+# new repository has published versioned release tags.
+source=("${pkgname}-${pkgver}.tar.gz")
 sha256sums=('SKIP')
 
 build() {