message: tools: clarify chmod action
  To me adding an executable bit is more concise than the number.
diff: @@ -19,9 +19,9 @@ ln -sf Versions/Current/Modules ${MACOS_BACKEND_DIR}/mavsdk_server.framework
  echo "Creating xcframework..."
  xcodebuild -create-xcframework -framework ${IOS_BACKEND_DIR}/mavsdk_server.framework -framework ${IOS_SIM_BACKEND_DIR}/mavsdk_server.framework -framework ${MACOS_BACKEND_DIR}/mavsdk_server.framework -output ${BUILD_DIR}/mavsdk_server.xcframework
  -chmod 755 ${BUILD_DIR}/mavsdk_server.xcframework/ios-arm64/mavsdk_server.framework/mavsdk_server
  -chmod 755 ${BUILD_DIR}/mavsdk_server.xcframework/ios-x86_64-simulator/mavsdk_server.framework/mavsdk_server
  -chmod 755 ${BUILD_DIR}/mavsdk_server.xcframework/macos-x86_64/mavsdk_server.framework/mavsdk_server
  +chmod +x ${BUILD_DIR}/mavsdk_server.xcframework/ios-arm64/mavsdk_server.framework/mavsdk_server
  +chmod +x ${BUILD_DIR}/mavsdk_server.xcframework/ios-x86_64-simulator/mavsdk_server.framework/mavsdk_server
  +chmod +x ${BUILD_DIR}/mavsdk_server.xcframework/macos-x86_64/mavsdk_server.framework/mavsdk_server
  cd ${BUILD_DIR}
  zip -9 -r mavsdk_server.xcframework.zip mavsdk_server.xcframework
  