[6.4] Allow 7.0 deps

Author: nicolas-grekas

composer.json

@@ -18,7 +18,7 @@
     "require": {
         "php": ">=8.1",
         "symfony/deprecation-contracts": "^2.5|^3",
-        "symfony/cache": "^5.4|^6.0",
+        "symfony/cache": "^5.4|^6.0|^7.0",
         "symfony/service-contracts": "^2.5|^3"
     },
     "autoload": {