describe-changes@v1: with concatenate mode: append

✨ PR Description

Purpose: Simplify the auto-dispatch workflow by removing dynamic versioning based on PR labels and hardcoding patch level.

Main changes:

• Simplified conditional logic for determining when to run the workflow
• Removed multi-step versioning logic that extracted labels from PRs
• Hardcoded "patch" as the default version level for all releases
• Added empty lines to the end of README.md

Generated by LinearB AI and added by gitStream.
_{AI-generated content may contain inaccuracies. Please verify before using. We'd love your feedback! 🚀}