SDL_image: updade vendored libavif (2b071)

From 2b0716a9043f94f91f8d383c95dc29bbd0b180ab Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <[EMAIL REDACTED]>
Date: Thu, 18 Apr 2024 23:51:40 +0100
Subject: [PATCH] updade vendored libavif

---
 external/libavif | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/external/libavif b/external/libavif
index 8254d7be..5bcd7d03 160000
--- a/external/libavif
+++ b/external/libavif
@@ -1 +1 @@
-Subproject commit 8254d7be35cfe146399b0df42d55fc4e7bba59a1
+Subproject commit 5bcd7d031e058b171364916a4dbef5fc5d6a28e2