CHANGES.markdown in timezone-1.3.20 vs CHANGES.markdown in timezone-1.3.21

@@ -1,6 +1,10 @@
 # master (unreleased)
 
+# 1.3.21
+
+* Updated with `tzdata-2022g` ([@panthomakos][])
+
 # 1.3.20
 
 * Updated with `tzdata-2022f` ([@panthomakos][])
 
 # 1.3.19