Issue #3523284: Compatibility with Symfony 7.3

Closes #3523284

composer/Metapackage/CoreRecommended/composer.json

@@ -36,7 +36,7 @@
         "symfony/console": "~v7.3.0-BETA1",
         "symfony/dependency-injection": "~v7.3.0-BETA1",
         "symfony/deprecation-contracts": "~v3.5.1",
-        "symfony/error-handler": "~v7.2.5",
+        "symfony/error-handler": "~v7.3.0-BETA1",
         "symfony/event-dispatcher": "~v7.3.0-BETA1",
         "symfony/event-dispatcher-contracts": "~v3.5.1",
         "symfony/filesystem": "~v7.3.0-BETA1",
@@ -51,16 +51,17 @@
         "symfony/polyfill-intl-idn": "~v1.32.0",
         "symfony/polyfill-intl-normalizer": "~v1.32.0",
         "symfony/polyfill-mbstring": "~v1.32.0",
+        "symfony/polyfill-php84": "~v1.32.0",
         "symfony/process": "~v7.3.0-BETA1",
         "symfony/psr-http-message-bridge": "~v7.3.0-BETA1",
         "symfony/routing": "~v7.3.0-BETA1",
         "symfony/serializer": "~v7.3.0-BETA1",
         "symfony/service-contracts": "~v3.5.1",
-        "symfony/string": "~v7.2.6",
+        "symfony/string": "~v7.3.0-BETA1",
         "symfony/translation-contracts": "~v3.5.1",
         "symfony/validator": "~v7.3.0-BETA1",
-        "symfony/var-dumper": "~v7.2.6",
-        "symfony/var-exporter": "~v7.2.6",
+        "symfony/var-dumper": "~v7.3.0-BETA1",
+        "symfony/var-exporter": "~v7.3.0-BETA1",
         "symfony/yaml": "~v7.3.0-BETA1",
         "twig/twig": "~v3.21.1"
     }