Update CHANGELOG.md

Yuta Mizui · Yuta Mizui · commit 2cec227cef96 · 2023-09-13T10:20:36.000+09:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,5 +1,7 @@
 ## Unreleased
 
+- Bump actions/checkout from 3 to 4
+
 ## 0.3.2
 - Allow space in merge command
 - Send message when all exceptions
