Update symfony/config requirement from ^4.0|^5.0|^6.0|^7.0 to ^4.0|^5.0|^6.0|^7.0|^8.0 (#2398)

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

composer.json

@@ -40,7 +40,7 @@
         "composer-runtime-api": "^2.0",
         "cakephp/database": "^5.0.2",
         "psr/container": "^1.1|^2.0",
-        "symfony/config": "^4.0|^5.0|^6.0|^7.0",
+        "symfony/config": "^4.0|^5.0|^6.0|^7.0|^8.0",
         "symfony/console": "^6.0|^7.0"
     },
     "require-dev": {