Add Task work item type to the database

What does this MR do and why?

Adds Task to base work item types. Prevents existing interfaces to create an issue of type task

Migration Output

UP

== 20211126204445 AddTaskToWorkItemTypes: migrating ===========================
== 20211126204445 AddTaskToWorkItemTypes: migrated (0.0193s) ==================

DOWN

== 20211126204445 AddTaskToWorkItemTypes: reverting ===========================
== 20211126204445 AddTaskToWorkItemTypes: reverted (0.0000s) ==================

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.

Related to #346039 (closed)