chore(workflows): pass {MACOSX,IPHONEOS}_DEPLOYMENT_TARGET to cibuildwheel

Author: XuehaiPan

.github/workflows/build.yml

@@ -45,6 +45,8 @@ env:
   PYTHON_TAG: "py3"  # to be updated
   PYTHON_VERSION: "3"  # to be updated
   _GLIBCXX_USE_CXX11_ABI: "1"
+  MACOSX_DEPLOYMENT_TARGET: "15.0"
+  IPHONEOS_DEPLOYMENT_TARGET: "16.3"
   COLUMNS: "100"
   FORCE_COLOR: "1"
   CLICOLOR_FORCE: "1"

.github/workflows/tests-with-pydebug.yml

@@ -36,6 +36,7 @@ env:
   CMAKE_BUILD_TYPE: "Debug"
   OPTREE_CXX_WERROR: "ON"
   _GLIBCXX_USE_CXX11_ABI: "1"
+  CMAKE_OSX_DEPLOYMENT_TARGET: "15.0"
   PYTHONUNBUFFERED: "1"
   PYTHON: "python"  # to be updated
   PYTHON_TAG: "py3"  # to be updated

.github/workflows/tests.yml

@@ -37,6 +37,7 @@ env:
   CMAKE_BUILD_TYPE: "Debug"
   OPTREE_CXX_WERROR: "ON"
   _GLIBCXX_USE_CXX11_ABI: "1"
+  CMAKE_OSX_DEPLOYMENT_TARGET: "15.0"
   FULL_TEST_PYTHON_VERSIONS: "3.12;3.13"
   PYTHONUNBUFFERED: "1"
   PYTHON: "python"  # to be updated