The following Security Command Center finding category names from AI Protection have new names to clarify that AI Protection detects tuned models and to remove the legacy VERTEX_1P_ prefix

## Change Change The following Security Command Center finding category names from AI Protection have new names to clarify that AI Protection detects tuned models and to remove the legacy `VERTEX_1P_` prefix: * `VERTEX_1P_TUNED_MODEL_DETECTED` changes to `TUNED_MODEL_DETECTED`. * `VERTEX_1P_TUNED_MODEL_NOT_PROTECTED_BY_MODEL_ARMOR` changes to `TUNED_MODEL_NOT_PROTECTED_BY_MODEL_ARMOR`. For more information about AI Protection findings, see [AI Protection overview](https://cloud.google.com/security-command-center/docs/ai-protection-overview) and [AI Discovery service findings](https://cloud.google.com/security-command-center/docs/concepts-vulnerabilities-findings#aip-ds-findings).