Upgrade Doctrine packages to latest major versions

- doctrine/dbal: ^2.13 → ^4.2
- doctrine/doctrine-bundle: ^2.4 → ^2.13
- doctrine/doctrine-migrations-bundle: ^3.0 → ^3.4
- doctrine/orm: ^2.7 → ^3.3
- Remove doctrine/common (no longer required)
- Remove naming_strategy config (now default in ORM 3.x)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Author: OskarStark

composer.json

@@ -5,11 +5,10 @@
     "license": "MIT",
     "require": {
         "php": ">=8.4",
-        "doctrine/common": "^3.0",
-        "doctrine/dbal": "^2.13",
-        "doctrine/doctrine-bundle": "^2.4",
-        "doctrine/doctrine-migrations-bundle": "^3.0",
-        "doctrine/orm": "^2.7",
+        "doctrine/dbal": "^4.2",
+        "doctrine/doctrine-bundle": "^2.13",
+        "doctrine/doctrine-migrations-bundle": "^3.4",
+        "doctrine/orm": "^3.3",
         "knplabs/github-api": "^3.3",
         "nyholm/psr7": "^1.3",
         "symfony/console": "^6.4",