fix(dev): update container test schema import

[tejaskash]

Summary

• update the container dev runner test to import ProjectRuntime from its new projectSchemas location
• fix the post-feat(dev): add container dev runner #1962 refactor typecheck failure

Verification

• bun run typecheck
• bun run lint:check
• bun run format:check
• bun audit
• bun test (1,288 passed)
• bun run build

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 96.91%. Comparing base (2d6e44e) to head (5724f26).
⚠️ Report is 1 commits behind head on refactor.

Additional details and impacted files

@@            Coverage Diff            @@
##           refactor    #1997   +/-   ##
=========================================
  Coverage     96.91%   96.91%           
=========================================
  Files           356      356           
  Lines         20136    20136           
=========================================
  Hits          19515    19515           
  Misses          621      621           

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[github-actions]

Thanks for the report, @codecov-commenter — feedback like this is exactly
how we catch the things we missed. Because this PR is already
closed, the team won't see follow-up comments here.

Would you mind opening a new issue so we can track it properly?
https://github.com/aws/agentcore-cli/issues/new/choose

If this is a security issue, please report it privately via
https://aws.amazon.com/security/vulnerability-reporting/ instead
of a public issue.