Update velero to 8.1.0 (#713)

Co-authored-by: mkjpryor <[email protected]>

Author: azimuth-automation-bot[bot]

roles/velero/defaults/main.yml

@@ -89,7 +89,7 @@ velero_default_backup_storage_location: >-
 # Velero Helm chart config
 velero_chart_name: velero
 velero_chart_repo: https://vmware-tanzu.github.io/helm-charts
-velero_chart_version: 7.2.1
+velero_chart_version: 8.1.0
 velero_release_namespace: velero
 velero_release_name: velero
 velero_wait_timeout: 10m