Update CHANGELOG.md

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Changelog
 
+## [4.0.7] - ????-??-??
+
+Perform tests against PHP 8.3.0-dev & 8.4.0-dev in GitHub Actions.
+
 ## [4.0.6] - 2022-12-14
 
 Perform tests against PHP 8.2 in GitHub Actions.
@@ -34,6 +38,7 @@ Added a test.
 The order of execution of deferred functions has been reversed (LIFO as in Golang).
 The given version is the successor of version [2.0.0].
 
+[4.0.7]: https://github.com/php-defer/php-defer/compare/v4.0.6...v4.0.7
 [4.0.6]: https://github.com/php-defer/php-defer/compare/v4.0.5...v4.0.6
 [4.0.5]: https://github.com/php-defer/php-defer/compare/v4.0.4...v4.0.5
 [4.0.4]: https://github.com/php-defer/php-defer/compare/v4.0.3...v4.0.4