- Renamed `WebhookValidationError` to `TriggerValidationError` for consistency in error handling across trigger operations.
- Updated references to the new `TriggerValidationError` in the GitHub provider and trigger interfaces.
- Enhanced the `TriggerProvider` class to raise the new validation error for webhook signature issues.
- Adjusted the `IssueCommentTrigger` to return the correct event response type.
- Improved type hints and imports in various modules for better clarity and organization.
- Introduced new response entities for trigger operations: TriggerInvokeResponse, TriggerDispatchResponse, TriggerSubscriptionResponse, TriggerUnsubscribeResponse, and TriggerRefreshResponse.
- Updated PluginExecutor methods to utilize the new response structures, improving clarity and consistency in trigger handling.
- Enhanced HTTP request parsing and response conversion utilities for better integration with various content types.
- Refactored GitHub provider to align with the updated trigger dispatch and subscription handling mechanisms.