Update cibuildwheel.py

Author: laramiel

tools/ci/cibuildwheel.py

@@ -244,6 +244,7 @@ def run(args, extra_args):
 
   elif platform != "linux" and sys.platform.startswith("darwin"):
     # macOS (and not building for linux via docker)
+    cibw_environment["MACOSX_DEPLOYMENT_TARGET"] = "10.14"
     # Workaround for https://github.com/bazelbuild/bazel/issues/10472
     bazel_build_options.append("--sandbox_block_path=/usr/local/include")
   else: