minor #991 [ai.symfony.com] Require PHP 8.4 (OskarStark)

This PR was merged into the main branch.

Discussion
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[ai.symfony.com] Require PHP 8.4

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| Docs?         | no
| Issues        | --
| License       | MIT

Commits
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5a08998 [ai.symfony.com] Require PHP 8.4

Author: OskarStark

ai.symfony.com/composer.json

@@ -4,7 +4,7 @@
     "minimum-stability": "stable",
     "prefer-stable": true,
     "require": {
-        "php": ">=8.2",
+        "php": ">=8.4",
         "ext-ctype": "*",
         "ext-iconv": "*",
         "symfony/asset": "^7.3",
@@ -47,7 +47,9 @@
         "symfony/polyfill-php74": "*",
         "symfony/polyfill-php80": "*",
         "symfony/polyfill-php81": "*",
-        "symfony/polyfill-php82": "*"
+        "symfony/polyfill-php82": "*",
+        "symfony/polyfill-php83": "*",
+        "symfony/polyfill-php84": "*"
     },
     "scripts": {
         "auto-scripts": {