docs: update required PHP version to 8.1+ in docs (DenverCoder1#256)

* docs: update required PHP version to 8.1+ in docs

* Update CONTRIBUTING.md

use `-` instead of `*` for prettier

Co-authored-by: Jonah Lawrence <[email protected]>

Co-authored-by: Jonah Lawrence <[email protected]>

Author: donutboyy

CONTRIBUTING.md

@@ -20,7 +20,7 @@ You can refer to the following articles on the basics of Git and GitHub in case
 
 #### Requirements
 
-- [PHP 8.0+](https://www.apachefriends.org/index.html)
+- [PHP 8.1+](https://www.apachefriends.org/index.html)
 - [Composer](https://getcomposer.org)
 - [Imagick](https://www.php.net/imagick)
 

README.md

@@ -157,7 +157,7 @@ Make sure your request is meaningful and you have tested the app locally before
 
 #### Requirements
 
-- [PHP 8.0+](https://www.apachefriends.org/index.html)
+- [PHP 8.1+](https://www.apachefriends.org/index.html)
 - [Composer](https://getcomposer.org)
 - [Imagick](https://www.php.net/imagick)