New release 2.3.1

[AleJo2995]

We are pleased to announce the release of IBM compliance-trestle v2.3.1

This is a summary of the issues/features addressed on this release:

Fix

• Improper indentation structure validation not working (#1451) (2e6936a)
• Fixing typo in encoding name (#1448) (bdf60b2)
• Parameter aggregation fix (#1443) (dd9e3bc)
• Prevent duplicates in set-parameters (#1450) (62e2f05)

Enjoy!