build(deps-dev): Bump doctrine/dbal from 3.9.3 to 3.9.4

Bumps [doctrine/dbal](https://github.com/doctrine/dbal) from 3.9.3 to 3.9.4.
- [Release notes](https://github.com/doctrine/dbal/releases)
- [Commits](doctrine/dbal@3.9.3...3.9.4)

---
updated-dependencies:
- dependency-name: doctrine/dbal
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

composer.json

@@ -63,7 +63,7 @@
     "phpstan/extension-installer": "^1.4.3",
     "phpstan/phpstan-deprecation-rules": "^1.2",
     "guzzlehttp/guzzle": "^7.3.0",
-    "doctrine/dbal": "^3.9.3",
+    "doctrine/dbal": "^3.9.4",
     "symfony/console": "^4.4.19",
     "psr/log": "^1.1.0"
   },