Proposed title of this feature request

• OADP logging in JSON

What is the nature and description of the request?

• My customer would like to have the option to get the logs from OADP in JSON format.

Why does the customer need this? (List the business requirements here)

• JSON log format would help to have pre parsed data in their elastic logs management system

Optional: List affected component/s.

• OADP

may have this working locally, conversation is here:

https://redhat-internal.slack.com/archives/C0144ECKUJ0/p1705586764045069

```

`
spec:
  backupLocations:
    - velero:
        config:
          profile: default
          region: us-west-2
        credential:
          key: cloud
          name: cloud-credentials
        default: true
        objectStorage:
          bucket: cvpbucketuswest2
          prefix: velero
        provider: aws
  configuration:
    nodeAgent:
      enable: true
      uploaderType: kopia
    velero:
      args:
        log-format: json
      defaultPlugins:
        - openshift
        - aws
        - csi
      featureFlags:
        - EnableCSI

```