SDL_ttf: Added change notes for 2.20 release

From 303e798d288fdc1c75fc46129baef23b8453c2ba Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Mon, 15 Jan 2024 10:26:12 -0800
Subject: [PATCH] Added change notes for 2.20 release

---
 CHANGES.txt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/CHANGES.txt b/CHANGES.txt
index 592ec460..ad60592e 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,3 +1,6 @@
+2.22.0:
+ * Updated to FreeType version 2.13.0 and HarfBuzz version 8.1.1
+
 2.20.0:
  * Added support for building with CMake
  * Added TTF_GetFontWrappedAlign() and TTF_SetFontWrappedAlign() to set alignment on wrapped text