SDL_ttf: bump vendored freetype to fix CVE-2026-23865 issue (74106)

From 7410652245cac7a8aa84004b16a27821b26e6519 Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <[EMAIL REDACTED]>
Date: Sat, 28 Mar 2026 17:11:56 +0300
Subject: [PATCH] bump vendored freetype to fix CVE-2026-23865 issue

(cherry picked from commit de8c8a3380cca39cb30331576228c20d68a30424)
---
 external/freetype | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/external/freetype b/external/freetype
index d3a395b5..535d2993 160000
--- a/external/freetype
+++ b/external/freetype
@@ -1 +1 @@
-Subproject commit d3a395b5fe515fd5c31d263bfc03fd85dd381a8f
+Subproject commit 535d2993d2cab67cc8b270132b1b1bcb62f269aa