fix: go back to using root user in Dockerfile

[jmeridth]

Pull Request

Proposed Changes

We have to do this because we have no active way to change permissions to $GITHUB_OUTPUT to a specific user when running the container

Add trivy ignore to top of Dockerfile to pass linting

Readiness Checklist

Author/Contributor

• If documentation is needed for this change, has that been included in this pull request
• run make lint and fix any issues that you have introduced
• run make test and ensure you have test coverage for the lines you are introducing
• If publishing new data to the public (scorecards, security scan results, code quality results, live dashboards, etc.), please request review from @jeffrey-luszcz

Reviewer

• Label as either fix, documentation, enhancement, infrastructure, maintenance, or breaking

[Copilot]

Pull Request Overview

This PR reverts the Docker container from using a non-root user back to using the root user to resolve permission issues with $GITHUB_OUTPUT in the container runtime environment.

Key changes:

• Remove non-root user configuration from Dockerfile
• Add trivy security scanner ignore directive for root user usage

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