stops musllinux aarch64 builds

pyproject.toml

@@ -10,7 +10,7 @@ before-build = "python {project}/get_spice.py"
 # Only build on CPython 3.9
 build = "cp39-*"
 # Skip 32-bit builds and pypy
-skip = ["*-win32", "*-manylinux_i686", "pypy*"]
+skip = ["*-win32", "*-manylinux_i686", "*-musllinux_i686", "pypy*", "pp*", "*-musllinux_aarch64"]
 # other options
 build-verbosity = 2
 before-test = [