composer(deps): update doctrine/dbal requirement || ^3.0

Updates the requirements on [doctrine/dbal](https://github.com/doctrine/dbal) to permit the latest version.
- [Release notes](https://github.com/doctrine/dbal/releases)
- [Commits](doctrine/dbal@2.12.0...3.0.0)

Signed-off-by: dependabot[bot] <support@github.com>

composer.json

@@ -11,7 +11,7 @@
     ],
     "require": {
         "php": ">=7.4",
-        "doctrine/dbal": "^2.12",
+        "doctrine/dbal": "^2.12 || ^3.0",
         "setono/client-id": "^0.1",
         "setono/client-id-contracts": "^0.1",
         "symfony/config": "^4.4 || ^5.0",