community/ion-shell: disable on loongarch64

ion-shell is currently locked to old nix crate, upgrade to nix crate
0.27 or later not easily done, let's wait for upstream to do it

community/ion-shell/APKBUILD

@@ -6,8 +6,9 @@ pkgrel=0
 _commit=b1b9475f2332a95108a12545e6e09f5b30f74e63/
 pkgdesc="modern system shell with simple, yet powerful, syntax"
 url="https://doc.redox-os.org/ion-manual/"
+# loongarch64: blocked by old nix crate, bumping currently not possible
 # s390x: blocked by nix crate
-arch="all !s390x"
+arch="all !loongarch64 !s390x"
 license="MIT"
 makedepends="cargo cargo-auditable"
 install="$pkgname.post-install $pkgname.post-upgrade $pkgname.pre-deinstall"