Revert "Drop intl ext"

This reverts commit 1c3567370c.

composer.json

@@ -4,6 +4,7 @@
     "license": "MIT",
     "require": {
         "php": "^8.1",
+        "ext-intl": "*",
         "composer-runtime-api": "^2.1"
     },
     "require-dev": {

packages/support/composer.json

@@ -11,6 +11,7 @@
         "php": "^8.1",
         "blade-ui-kit/blade-heroicons": "^2.5",
         "doctrine/dbal": "^3.2|^4.0",
+        "ext-intl": "*",
         "illuminate/contracts": "^10.45|^11.0|^12.0",
         "illuminate/support": "^10.45|^11.0|^12.0",
         "illuminate/view": "^10.45|^11.0|^12.0",