CHANGES: Fix the latest version and the release date

mrkn · mrkn · commit 3c421257f1d5 · 2021-05-28T10:28:15.000+09:00
diff --git a/CHANGES.md b/CHANGES.md
@@ -1,4 +1,4 @@
-# 0.6.1 (under development)
+# 0.7.0 (2021-05-28)
 
 ## Enhancements
 
