Use wildcard instead of pre-coded name

Not sure if the package_name variable is available in the package() function

pkgbuild-files/depthboot-logo.pkgbuild

@@ -27,7 +27,7 @@ package () {
   mkdir -p $pkgdir/usr/share/libalpm/hooks
 
   # Extract the alpine package
-  tar xfpz $srcdir/busybox-static-1.35.0-r29.apk --warning=no-unknown-keyword -C $srcdir/busybox-extracted
+  tar xfpz $srcdir/busybox-static-*.apk --warning=no-unknown-keyword -C $srcdir/busybox-extracted
   # copy busybox binary into the package
   install -Dm755 $srcdir/busybox-extracted/bin/busybox.static $pkgdir/usr/bin/busybox-alpine.static