• Add VIR_DOMAIN_BLOCK_COPY_SYNCHRONOUS_WRITES and
  VIR_MIGRATE_NON_SHARED_SYNCHRONOUS_WRITES constants
  
• Add VIR_NODE_SEV_MAX_GUESTS and
  VIR_NODE_SEV_MAX_ES_GUESTS constants
  
• Add VIR_DOMAIN_LAUNCH_SECURITY_SEV_API_MAJOR,
  VIR_DOMAIN_LAUNCH_SECURITY_SEV_API_MINOR,
  VIR_DOMAIN_LAUNCH_SECURITY_SEV_BUILD_ID and
  VIR_DOMAIN_LAUNCH_SECURITY_SEV_POLICY constants
  
• Add virDomainSetLaunchSecurityState and related
  constants