Fix LUA garbage collector (CVE-2024-46981)

Reset GC state before closing the lua VM to prevent user data
to be wrongly freed while still might be used on destructor callbacks.

Signed-off-by: Madelyn Olson <[email protected]>

src/eval.c

@@ -285,6 +285,7 @@ void scriptingInit(int setup) {
 void freeLuaScriptsSync(dict *lua_scripts, list *lua_scripts_lru_list, lua_State *lua) {
     dictRelease(lua_scripts);
     listRelease(lua_scripts_lru_list);
+    lua_gc(lctx.lua, LUA_GCCOLLECT, 0);
     lua_close(lua);
 
 #if !defined(USE_LIBC)