feat: add agent metadata action - step 1

[mvicknr]

Overview

This PR adds the ability for the NR agent team to send agent metadata and binaries to New Relic for use in fleets and other features. This will be triggered normally during a release. but if it fails, it will not fail the release. It can also be run on-demand for backfilling older agent versions, to make corrections, or to re-run the job after a failure.

GH action info: https://github.com/newrelic/agent-metadata-action/blob/main/README.md

Submitter Checklist:

• Include a link to the related GitHub issue, if applicable
• Add new tests for your change, if applicable

Testing

This PR is step 1 that will use aTestAgent agent name instead of NRRubyAgent
This PR needs to be merged to main in order to run the new on-demand workflow
A later PR will add a step in the release and use the real agent name

Reviewer Checklist

• Perform code review
• Confirm all checks passed
• Open a separate PR to add a CHANGELOG entry

[github-actions]

SimpleCov Report

	Coverage	Threshold
Line	93.33%	93%