Reduce integration workflow artifact usage

[lipkau]

Summary

• remove title/body edits from release-intent triggers
• retain integration results for 14 days and container logs for 7 days
• upload successful Data Center logs only when manual debug or runner debug is enabled
• preserve failure log collection

Validation

• actionlint
• focused GitHub Actions tests: 9 passed
• full Build and Test: 182 passed

Related pull requests

• AtlassianPS.Configuration Content vs Page/Attachment/Comment/Blog #46
• AtlassianPS.Standards Prevent GetParameters recursion #57
• AtlassianPS.github.io Invoke-Method still has a call with the old "Wiki" prefix #61
• ConfluencePS Reduce integration workflow artifact usage #265
• JiraAgilePS Improve paging of Invoke-WikiMethod #50
• JiraPS #713