Increment PHP minimum version as per 5.58.0 release notes

Min PHP requirements have been incremented as per https://github.com/civicrm/civicrm-core/blob/master/release-notes/5.58.0.md

docs/general/requirements.md

@@ -10,7 +10,7 @@ A recommended server environment should typically meet these guidelines:
 
 * __Operating system__: Linux
 * __CMS__: Backdrop, Drupal 7, Drupal 9, Joomla, or WordPress
-* __PHP__: 7.2, 7.3, 7.4 -- with configuration and extension requirements. PHP 8.0 is supported from 5.40. PHP 8.1 is supported from 5.55
+* __PHP__: 7.3, 7.4 -- with configuration and extension requirements. PHP 8.0 is supported from 5.40. PHP 8.1 is supported from 5.55
 * __MySQL__: MySQL 5.7.5+ or MariaDB 10.2+ -- with configuration requirements
 
 Other environments may also meet the system requirements. The following sections present requirements more precisely.
@@ -69,7 +69,7 @@ It is also important to ensure that the same PHP extensions/modules are loaded o
 | PHP 8.0 | compatible however **not recommended** yet until the extension ecosystem catches up. | compatible from CiviCRM 5.39 however **not recommended** yet until the extension ecosystem catches up. |
 | PHP 7.4 | compatible and **recommended** | compatible and **recommended** |
 | PHP 7.3 | compatible and **recommended** | compatible but **not recommended** due to to [PHP end-of life](http://php.net/eol.php) in Dec 2021 |
-| PHP 7.2 | compatible and **recommended** - but see note below about resaving the SMTP password | compatible but **not recommended** due to to [PHP end-of life](http://php.net/eol.php) in Dec 2020 but see note below about resaving the SMTP password |
+| PHP 7.2 | compatible and **recommended** - but see note below about resaving the SMTP password | **incompatible** as of 5.58.0 | 
 | PHP 7.1 | **incompatible** | **incompatible** as of 5.35.0 |
 | PHP 7.0 | **incompatible** | **incompatible** as of 5.25.0 |
 | PHP 5.6 | **incompatible** | **incompatible** |