fix build error

Author: kewlbear

Scripts/build.sh

@@ -1,5 +1,5 @@
 cd kivy-ios
 
 xcodebuild -create-xcframework -output libpython3.xcframework \
-	-library dist/frameworks/libpython3.xcframework/ios-arm64/libpython3.9.a -headers dist/root/python3/include/python3.9 \
-	-library dist/frameworks/libpython3.xcframework/ios-arm64_x86_64-simulator/libpython3.a -headers dist/root/python3/include/python3.9
+	-library dist/frameworks/libpython3.xcframework/ios-arm64/libpython3.10.a -headers dist/root/python3/include/python3.10 \
+	-library dist/frameworks/libpython3.xcframework/ios-arm64_x86_64-simulator/libpython3.a -headers dist/root/python3/include/python3.10

Scripts/toolchain.sh

@@ -5,7 +5,7 @@ python3 -m venv venv
 . venv/bin/activate
 
 pip install -e .
-pip install cython
+pip install cython==0.29.33
 
 python toolchain.py build python3