Release_notes_5.8.1.md

Release notes hotfix v.5.8.1

Current version consists of following components:

1. Ledgers v.4.9.1
2. XS2A v.11.0
3. ASPSP-Profile v.11.0
4. Consent-Management v.11.0
5. XS2A Connector-Examples v.11.0

• Added new exception handler for OBA
• Fixed old cookie bug