fix: Velero serviceAccount IRSA configuration and resouces Policy

[rodrigobersa]

What does this PR do?

Velero serviceAccount configuration, differs from the other add-ons. The current setup is not creating the annotations in the velero-server serviceAccount.

More

• Yes, I have tested the PR using my local account setup (Provide any test evidence report under Additional Notes)
• Yes, I ran pre-commit run -a with this PR

For Moderators

• E2E Test successfully complete before merge?

Additional Notes

Tested backup execution.

# velero backup-location get 
NAME      PROVIDER   BUCKET/PREFIX                    PHASE       LAST VALIDATED                  ACCESS MODE   DEFAULT
default   aws        bersr-test-velero-20230105/dev   Available   2023-04-27 19:01:38 -0400 EDT   ReadWrite     true
# velero backup create default --include-namespaces default 
Backup request "default" submitted successfully.
Run `velero backup describe default` or `velero backup logs default` for more details.
# velero backup logs default                               
Logs for backup "default" are not available until it's finished processing. Please wait until the backup has a phase of Completed or Failed and try again.
# velero backup logs default
time="2023-04-27T23:02:11Z" level=info msg="Setting up backup temp file" backup=velero/default logSource="pkg/controller/backup_controller.go:613"
time="2023-04-27T23:02:11Z" level=info msg="Setting up plugin manager" backup=velero/default logSource="pkg/controller/backup_controller.go:620"
time="2023-04-27T23:02:11Z" level=info msg="Getting backup item actions" backup=velero/default logSource="pkg/controller/backup_controller.go:624"
time="2023-04-27T23:02:11Z" level=info msg="Setting up backup store to check for backup existence" backup=velero/default logSource="pkg/controller/backup_controller.go:634"
time="2023-04-27T23:02:12Z" level=info msg="Writing backup version file" backup=velero/default 
...
time="2023-04-27T23:02:23Z" level=info msg="Backed up 11 items out of an estimated total of 11 (estimate will change throughout the backup)" backup=velero/default logSource="pkg/backup/backup.go:388" name=kubernetes namespace=default progress= resource=endpointslices.discovery.k8s.io
time="2023-04-27T23:02:23Z" level=info msg="Backed up a total of 11 items" backup=velero/default logSource="pkg/backup/backup.go:413" progress=