Test Dart 2.18.7 base image created via GHA

[sourcegraph-wk]

NO MERGE : Testing Dart 2.18.7 dart2_base_image GHA

This is a test PR to run CI with the base image created via github actions instead of Workiva Build.

For more info, visit #support-frontend-dx in Slack.

_Created by Sourcegraph batch change Workiva/test_dart_218_gha._

[aviary2-wf]

Security Insights

No security relevant content was detected by automated scans.

Action Items

• Review PR for security impact; comment "security review required" if needed or unsure

• Verify aviary.yaml coverage of security relevant code

  Questions or Comments? Reach out on Slack: #support-infosec.