BREAKING CHANGES:
- Minimum PHP version is now 8.1
- Dropped DBAL 2.x support

Changes:
- Update doctrine/dbal constraint to ^3.3 || ^4.0
- Replace deprecated DBALException with Exception
- Remove outdated Version class usage and check
- Modernize dev dependencies

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

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>