Update BaseIssueTracker integration to use description DSL
What does this MR do and why?
Based on !139687 (merged), we're updating multiple << BaseIssueTracker
integrations to use the same attribute.
Integrations that are being updated:
bugzilla
custom-issue-tracker
redmine
ewm
youtrack
clickup
MR acceptance checklist
Please evaluate this MR against the MR acceptance checklist. It helps you analyze changes to reduce risks in quality, performance, reliability, security, and maintainability.
Screenshots or screen recordings
N/A
How to set up and validate locally
Validate that integrations are working as before!