ci: see if this will build aarch64

Author: william-silversmith

.github/workflows/build_wheel.yml

@@ -32,6 +32,7 @@ jobs:
           CPPFLAGS: -I/usr/local/opt/zlib/include
           LDFLAGS: -L/usr/local/opt/zlib/lib
           CIBW_ARCHS_MACOS: "x86_64 arm64"
+          CIBW_ARCHS_LINUX: "auto aarch64"
 
       - uses: actions/upload-artifact@v3
         with: