feat: enhance task forms and Kanban components with dynamic priority loading

- Updated `CreateTaskForm` and `EditTaskForm` to load priority options dynamically using `getAllPriorities`, improving maintainability.
- Refactored `KanbanFilters` to utilize dynamic priority options, enhancing filter functionality.
- Modified `QuickAddTask` and `TaskCard` to display priorities using centralized configuration, ensuring consistency across the application.
- Introduced new utility functions in `status-config.ts` for managing priority configurations, streamlining the task management process.

lib/types.ts

@@ -1,5 +1,5 @@
 // Types de base pour les tâches
-// Note: TaskStatus est maintenant géré par la configuration centralisée dans lib/status-config.ts
+// Note: TaskStatus et TaskPriority sont maintenant gérés par la configuration centralisée dans lib/status-config.ts
 export type TaskStatus = 'todo' | 'in_progress' | 'done' | 'cancelled' | 'freeze';
 export type TaskPriority = 'low' | 'medium' | 'high' | 'urgent';
 export type TaskSource = 'reminders' | 'jira' | 'manual';