cjson: bump minimum cmake version to 3.10

Starting cmake 4.0, anything under 3.5 produces an error, see
https://cmake.org/cmake/help/latest/command/cmake_minimum_required.html#policy-version

Use a patch instead of CMAKE_OPTIONS so we don't forget to remove this hack.

Signed-off-by: Etienne Champetier <champetier.etienne@gmail.com>

Author: champtar

libs/cjson/patches/900-cmake-4-compatibility.patch

@@ -0,0 +1,9 @@
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -1,5 +1,5 @@
+ set(CMAKE_LEGACY_CYGWIN_WIN32 0)
+-cmake_minimum_required(VERSION 3.0)
++cmake_minimum_required(VERSION 3.10)
+ 
+ project(cJSON
+     VERSION 1.7.19