Add back cosign verify fix

Description

This MR attempts to re-implement the cosign verify fix (!1159 (merged)) and updates the cosign verify function to support v2.0.

Risk

Med - Updating three stages (lint, build, & scan logic)

Rollback Plan

Revert MR

Testing

• Openjdk11: https://code-ib-mario.staging.dso.mil/dsop/chrome-dome/openjdk11/-/pipelines/5273
• UBI8: https://code-ib-mario.staging.dso.mil/dsop/chrome-dome/ubi8/-/pipelines/5271
• Python39: https://code-ib-mario.staging.dso.mil/dsop/opensource/python/python39/-/pipelines/5280

Closes #847 (closed)