[next] Delete pending approval tasks when workflow request delete

[sadilchamishka]

Purpose

$subject

Related PRs

• Delete pending approval tasks when workflow request is deleted #968

Related Issues

• When deleting a workflow request, its approval tasks should be deleted. product-is#25209

[Copilot]

Pull Request Overview

This PR implements functionality to delete pending approval tasks when a workflow request is deleted. The change ensures that when a workflow instance is removed, any associated pending approval tasks are also cleaned up to maintain data consistency.

• Adds integration with workflow engine's ApprovalTaskService
• Updates the workflow deletion process to include cleanup of pending approval tasks
• Introduces proper exception handling for workflow engine operations

Reviewed Changes

Copilot reviewed 6 out of 6 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
pom.xml	Adds workflow engine dependency version configuration
WorkflowServiceFactory.java	Updates factory to inject ApprovalTaskService into WorkflowService
WorkflowService.java	Integrates approval task deletion into workflow instance deletion logic
org.wso2.carbon.identity.rest.api.server.workflow.v1/pom.xml	Adds workflow engine dependency
WorkflowServiceHolder.java	Provides access to ApprovalTaskService instance
org.wso2.carbon.identity.api.server.workflow.common/pom.xml	Adds workflow engine dependency

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