Updated CHANGELOG.md

Author: aeon-automation

CHANGELOG.md

@@ -24,6 +24,7 @@
 - [#1917](https://github.com/flow-php/flow/pull/1917) - **Add a new `HTMLType`** - [@stloyd](https://github.com/stloyd)
 
 ### Changed
+- [#1978](https://github.com/flow-php/flow/pull/1978) - **Allow enforcing PHP requirements in examples** - [@stloyd](https://github.com/stloyd)
 - [#1976](https://github.com/flow-php/flow/pull/1976) - **updated importmap dependencies** - [@norberttech](https://github.com/norberttech)
 - [#1975](https://github.com/flow-php/flow/pull/1975) - **narrow phpstan class.notFound suppression to config only and specific classes only** - [@norberttech](https://github.com/norberttech)
 - [#1960](https://github.com/flow-php/flow/pull/1960) - **`HTMLType & `HTMLEntry` require now `\Dom\HTMLDocument`** - [@stloyd](https://github.com/stloyd)