wasm: Enable reference types feature on wasm

As of Rustc 1.81, it starts to use reference type on Wasm creations.
So, we need to enable it on our bundled runtime.

Signed-off-by: Hiroshi Hatake <[email protected]>

Author: cosmo0920

src/wasm/CMakeLists.txt

@@ -93,7 +93,7 @@ endif ()
 if (NOT MSVC)
   set (WAMR_BUILD_LIB_PTHREAD 1)
 endif ()
-set (WAMR_BUILD_REF_TYPES 0)
+set (WAMR_BUILD_REF_TYPES 1)
 
 if (NOT MSVC)
   # linker flags