chore(ubi9): update metadata for UBI9 image

[afdesk]

Description

This PR adds next metadata in UBI9 based image:

• a license file locates in /licenses/LICENSE
• added the next labels on the image metadata

• Labels.name: "ubi9-minimal" to "Trivy"
• Labels.maintainer: "Red Hat, Inc." to "Aqua Security Software Ltd."
• Labels.vendor: "Red Hat, Inc." to "Aqua Security Software Ltd."

$ docker inspect docker.io/aquasecurity/trivy-operator:dev-ubi9 | jq '.[0].Config.Labels | {name: .name, maintainer: .maintainer, vendor: .vendor}' 

{
  "name": "Trivy",
  "maintainer": "Aqua Security Software Ltd.",
  "vendor": "Aqua Security Software Ltd."
}

Checklist

• [ ] I've read the guidelines for contributing to this repository.
• [ ] I've added tests that prove my fix is effective or that my feature works.
• [ ] I've updated the documentation with the relevant information (if needed).
• [ ] I've added usage information (if the PR introduces new options)
• [ ] I've included a "before" and "after" example to the description (if the PR is a user interface change).