SDL_ttf: update plutovg to latest v0.0.12

From e4caa3bec33b6ac1c03d15369c52a8518dd588ec Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <[EMAIL REDACTED]>
Date: Sun, 2 Feb 2025 11:55:28 +0300
Subject: [PATCH] update plutovg to latest v0.0.12

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

diff --git a/external/plutovg b/external/plutovg
index 897ac253..3e6f922f 160000
--- a/external/plutovg
+++ b/external/plutovg
@@ -1 +1 @@
-Subproject commit 897ac253c7c97d870d7ac6d357aef4ece5b028bc
+Subproject commit 3e6f922f453da1c9e7d1d7f66cac1d9724a18b47