set release date

Frank Kleine · Frank Kleine · commit f9910721fde3 · 2020-11-15T17:37:38.000+01:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Changelog
 
-## 6.1.0 (2020-11-??)
+## 6.1.0 (2020-11-15)
 
 * Ensured compatibility with PHP 8 (@jaapio)
 * Ensured compatibility with PHPUnit 9.2 and later (@jaapio, @mikey179)
