V4.0.0

What's Changed

Added

• Added BudgetSettings dataclass to represent the budget settings for an account.
• Added BudgetSettings.get() to retrieve the budget settings for the account.
• Added ids parameter to Order.all() to filter orders by order IDs
• Added budget_ids parameter to Order.all() to filter orders by budget IDs (accepts list of budget UUIDs).
• Added budget_id field to Order dataclass to return budget UUID when present in API responses.
• Added optional budget_id parameter to Order.update() to allow updating the budget for an order.
• Added budgets module with Budget, BudgetUsage dataclasses and BudgetSorting utility.
• Added Budget.get() to retrieve a single budget by ID.
• Added Budget.all() to list budgets with optional status filtering and sorting.
• Added Budget.get_usage() to retrieve usage for a specific budget.
• Added test_budgets.py with tests for budget and budget usage fetch endpoints.
• Added optional budget_id parameter to BatchOrderTemplate to allow specifying a budget when creating orders.
• Added optional budget_id parameter to JobTemplate.execute()

Security

• Updated urllib3 to >=2.7.0.
• Increased minimum Python version to 3.11