Add option to include vulnerabilities if violation context exists

[attiasas]

• The pull request is targeting the dev branch.
• The code has been validated to compile successfully by running go vet ./....
• The code has been formatted properly using go fmt ./....
• All static analysis checks passed.
• All tests have passed. If this feature is not already covered by the tests, new tests have been added.
• All changes are detailed at the description. if not already covered at JFrog Documentation, new documentation have been added.

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Adding a new flag for the commands: scan, docker scan and audit
The new flag vuln (optional) that will control the following:

Set to true if you'd like to receive an additional view of all vulnerabilities, regardless of the policy configured in Xray.

Depends on: jfrog/documentation#144

[github-actions]

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