[esp32] Add build flag to suppress noexecstack message (#12272)

esphome/components/esp32/__init__.py

@@ -907,6 +907,7 @@ async def to_code(config):
     )
     cg.set_cpp_standard("gnu++20")
     cg.add_build_flag("-DUSE_ESP32")
+    cg.add_build_flag("-Wl,-z,noexecstack")
     cg.add_define("ESPHOME_BOARD", config[CONF_BOARD])
     variant = config[CONF_VARIANT]
     cg.add_build_flag(f"-DUSE_ESP32_VARIANT_{variant}")