SDL_image: update vendored libjxl (dd6b4)

From dd6b4fdc93b55e93173dc04bb991edc28e316443 Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <[EMAIL REDACTED]>
Date: Tue, 28 Jan 2025 20:11:02 +0300
Subject: [PATCH] update vendored libjxl

(cherry picked from commit b1d2303f503e59d736bd13b001e284558f158e20)
---
 external/libjxl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/external/libjxl b/external/libjxl
index 824782f0..219995f3 160000
--- a/external/libjxl
+++ b/external/libjxl
@@ -1 +1 @@
-Subproject commit 824782f085c66781ed951807e82ede33ddedd6d0
+Subproject commit 219995f35615886f1b1a95d9b44ed91561c55b09