Switch static-php-cli to support PHP 8.3 and 8.4 only (#615)

* Update spc self to PHP 8.4 only

* Update workflows

* Fix test-extensions, adjust docs order

* Fix cs-fix and phpunit

* Add PHP_CS_FIXER_IGNORE_ENV

* Add compatibility for PHP 8.3

* Change version description in README, adjust composer.json PHP version limit

* Switch PHP to 8.4 in spc-alpine-docker

* Add deprecation notice

.github/workflows/build-windows-x86_64.yml

@@ -6,7 +6,7 @@ on:
       version:
         required: true
         description: php version to compile
-        default: '8.2'
+        default: '8.4'
         type: choice
         options:
           - '8.4'