Add vault path for the Ruby sample app send telemetry to the test org

[kford-newrelic]

Description

We need the Ingest New Relic License Key for the proper target account under the path containers/teams/ruby-agent/staging/a2q-apm-ruby/NEW_RELIC_LICENSE_KEY so the sample app reports telemetry to that account.

Acceptance Criteria

The currently deployed test automation is able to properly run and report test values to the NR platform.

Design Consideration/Limitations

The test automation deployment has already been done.

Dependencies

Review the underlying Jira for any additional info.

Additional context

Part of the Agent2Query testing initiative.

[workato-integration]

https://new-relic.atlassian.net/browse/NR-251436

[kford-newrelic]

Vault path changed to be common across all language agents. This is no longer needed.