ATT&CK v12.1 mappings

[MaurizioCasciano]

We need to update the MITRE ATT&CK mappings to v12.1

• https://github.com/mitre/cti/releases/tag/ATT%26CK-v12.1
• https://github.com/mitre/cti/tree/ATT%26CK-v12.1/enterprise-attack
• https://github.com/mitre/cti/blob/ATT%26CK-v12.1/enterprise-attack/enterprise-attack.json