Backport of https://github.com/fcitx/fcitx5-sayura/pull/4

fix build with cmake 4.0.0

--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.0)
+cmake_minimum_required(VERSION 3.10)
 project(fcitx5-sayura VERSION 5.1.3)
 
 set(REQUIRED_FCITX_VERSION 5.1.12)