ord: update min swig to match tcl_size PR

Signed-off-by: Peter Gadfort <gadfort@zeroasic.com>

Author: gadfort

src/CMakeLists.txt

@@ -138,7 +138,7 @@ if (BUILD_TCLX AND TCLX_H)
   message(STATUS "TclX header: ${TCLX_H}")
 endif()
 
-find_package(SWIG 4.0 REQUIRED)
+find_package(SWIG 4.3 REQUIRED)
 if (SWIG_VERSION VERSION_GREATER_EQUAL "4.1.0")
   message(STATUS "Using SWIG >= ${SWIG_VERSION} -flatstaticmethod flag for python")
 endif()