[GHA] Performance load test: Pulling ECR issue

Description

It looks like when an external team runs performance load test via workflow_dispatch, it fails to pull the ECR image. The goal would be to allow teams who wish to use this workflow can execute it without issues

Background/context

https://github.com/department-of-veterans-affairs/va.gov-team/issues/40552#issuecomment-1154340979

Technical notes

Suspect it is a permissions issue that infrastructure has and other teams do now

Tasks

[ ] TBD

Acceptance Criteria

[ ] TBD

Reminders

[ ] Please attach your team label and any other appropriate label(s) (operations, devops, and needs-grooming will automatically be applied as part of the template)
[ ] Please connect to an epic (this will typically be done by the Platform Operations PM or TL)

department-of-veterans-affairs / va.gov-team