archrelease: fix mangled release package status output

Git push will print its status, hence switch from a busy line
indicator to a single line message and allow Git to print its status
accordingly.

Otherwise we get:
==> Releasing package...Enumerating objects: 6, done.

src/archrelease.in

@@ -89,7 +89,6 @@ if git tag --verify "$gittag" &> /dev/null; then
 	exit 0
 fi
 
-stat_busy "Releasing package"
+msg "Releasing package"
 git tag --sign --message="Package release ${pkgver}" "$gittag" || abort
 git push --tags --set-upstream origin main || abort
-stat_done