CHANGES.rst: marking v2.13.0 release date

jdknight · jdknight · commit 9fc5268a7f1c · 2025-06-08T10:06:40.000-04:00
Signed-off-by: James Knight &lt;git@jdknight.me&gt;
diff --git a/CHANGES.rst b/CHANGES.rst
@@ -1,5 +1,5 @@
-Development
-===========
+2.13.0 (2025-06-08)
+===================
 
 * Fixed ``render_math`` usage required for future Sphinx releases
 * Fixed broken references when using Emojis
