Update symfony/process dependency to include ^7.0

Expanded the version constraint for symfony/process to support version 7.0. This ensures compatibility with the latest major release while maintaining backward support for previous versions. No other dependencies were affected.

Author: vtychyna

composer.json

@@ -22,7 +22,7 @@
         "ext-openssl": "*",
         "phpseclib/phpseclib": "^3.0",
         "spomky-labs/php-aes-gcm": "^1.2",
-        "symfony/process": "^4.1|^5.0|^6.0"
+        "symfony/process": "^4.1|^5.0|^6.0|^7.0"
     },
     "require-dev": {
         "phpunit/phpunit": "^7.5|^9.0",