Update libtcod.

HexDecimal · HexDecimal · commit 28c2ffbd4734 · 2022-01-07T22:30:10.000-08:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -6,6 +6,8 @@ This project adheres to [Semantic Versioning](https://semver.org/) since version
 ## [Unreleased]
 ### Added
 - New experimental renderer `tcod.context.RENDERER_XTERM`.
+### Changed
+- Using `libtcod 1.20.1`.
 ### Fixed
 - Functions accepting `Path`-like parameters now accept the more correct `os.PathLike` type.
 - BDF files with blank lines no longer fail to load with an "Unknown keyword" error.
diff --git a/libtcod b/libtcod
@@ -1 +1 @@
-Subproject commit 57f5216b66227f5af68a81e8d3118d6d15c58cff
+Subproject commit d54f68bf10ee862f47d3668348279a13f489d028
