luajit: bump new version

* FFI: Treat cdata finalizer table as a GC root.
* FFI: Turn FFI finalizer table into a proper GC root.

Part of #10199

NO_DOC=LuaJIT submodule bump
NO_TEST=LuaJIT submodule bump

changelogs/unreleased/gh-10199-luajit-fixes.md

+## bugfix/luajit
+
+Backported patches from the vanilla LuaJIT trunk (gh-10199). The following
+issues were fixed as part of this activity:
+
+* Fixed GC marking of the cdata finalizer table.

src/lua/utils.c

@@ -128,7 +128,7 @@ luaL_pushcdata(struct lua_State *L, uint32_t ctypeid)
 		/* Handle ctype __gc metamethod. Use the fast lookup here. */
 		cTValue *tv = lj_tab_getinth(cts->miscmap, -(int32_t)ctypeid);
 		if (tv && tvistab(tv) && (tv = lj_meta_fast(L, tabV(tv), MM_gc))) {
-			GCtab *t = cts->finalizer;
+			GCtab *t = tabref(G(L)->gcroot[GCROOT_FFI_FIN]);
 			if (gcref(t->metatable)) {
 				/* Add to finalizer table, if still enabled. */
 				copyTV(L, lj_tab_set(L, t, o), tv);

luajit @ a7da08b2

-Subproject commit 55bb05b97e5145b6506ef4390cadd89709338ed7
+Subproject commit a7da08b2b15a0ef4afce4ee604dc02aa259ed8a8