feat(database): ✨ normalize driver names across adapters

* Added DriverName method to BunAdapter, GormAdapter, and PgSQLAdapter for consistent driver name handling.
* Updated transaction adapters to include driver name.
* Enhanced mock database implementations for testing with DriverName method.
* Adjusted getTableName functions to accommodate driver-specific naming conventions.

pkg/dbmanager/manager.go

@@ -231,12 +231,14 @@ func (m *connectionManager) Connect(ctx context.Context) error {
 
 // Close closes all database connections
 func (m *connectionManager) Close() error {
+	// Stop the health checker before taking mu.  performHealthCheck acquires
+	// a read lock, so waiting for the goroutine while holding the write lock
+	// would deadlock.
+	m.stopHealthChecker()
+
 	m.mu.Lock()
 	defer m.mu.Unlock()
 
-	// Stop health checker
-	m.stopHealthChecker()
-
 	// Close all connections
 	var errors []error
 	for name, conn := range m.connections {