Add anchore scan parser for VAT/CSV stages

Merge Request Description

Merge Request BOE

Risk

medium, stages could break and data could be formatted incorrectly if something was missed in this process

Rollback Plan

Revert MR

Testing

Local testing for csv-output and vat stages. Compared results of parsing for each stage and the export of the file.

Staging:

• https://code-ib-mario.staging.dso.mil/dsop/redhat/ubi/ubi8/-/pipelines/2521
  • VAT api call used to validate the number of findings is the same before and after this change
  • Validated the spreadsheets look similar
• https://code-ib-mario.staging.dso.mil/dsop/redhat/ubi/ubi8/-/pipelines/2522

Closes #600 (closed)