Finish Symfony 6 upgrade

composer.json

@@ -16,7 +16,6 @@
         "ext-json": "*",
         "acquia/drupal-environment-detector": "^1.2.0",
         "bugsnag/bugsnag": "^3.0",
-        "composer/composer": "2.6.5",
         "composer/semver": "^3.3",
         "consolidation/self-update": "^2.1.0",
         "cweagans/composer-patches": "^1.7",
@@ -33,20 +32,20 @@
         "psr/log": "^3",
         "ramsey/uuid": "^4.1",
         "react/event-loop": "^1.1",
-        "symfony/cache": "^6.0",
-        "symfony/config": "^6.0",
-        "symfony/console": "6.2.13",
-        "symfony/dependency-injection": "^6.0",
-        "symfony/dotenv": "^6.0",
-        "symfony/event-dispatcher": "^6.0",
-        "symfony/expression-language": "^6.0",
-        "symfony/filesystem": "^6.0",
-        "symfony/finder": "^6.0",
+        "symfony/cache": "^6.3",
+        "symfony/config": "^6.3",
+        "symfony/console": "6.3.2",
+        "symfony/dependency-injection": "^6.3",
+        "symfony/dotenv": "^6.3",
+        "symfony/event-dispatcher": "^6.3",
+        "symfony/expression-language": "^6.3",
+        "symfony/filesystem": "^6.3",
+        "symfony/finder": "^6.3",
         "symfony/flex": "^2.2",
-        "symfony/http-kernel": "^6.0",
-        "symfony/process": "^6.0",
-        "symfony/validator": "^6.0",
-        "symfony/yaml": "^6.0",
+        "symfony/http-kernel": "^6.3",
+        "symfony/process": "^6.3",
+        "symfony/validator": "^6.3",
+        "symfony/yaml": "^6.3",
         "thecodingmachine/safe": "^2.4",
         "typhonius/acquia-logstream": "^0.0.13",
         "typhonius/acquia-php-sdk-v2": "^3.1.1",