v2.0.0 Extend PDO instead of wrapping

What's Changed

• [2.x] Extend PDO instead of wrapping by @jahidulpabelislam in #1
• [2.x] Update methods by @jahidulpabelislam in #4
• Test against PHP8.2 too by @jahidulpabelislam in #5
• Update README.md by @jahidulpabelislam in #6

Full Changelog: v1.1.3...v2.0.0