Add capi yolov8 ensemble pipeline profile

[jim-wang-intel]

PR Checklist

• [x] Added label to the Pull Request for easier discoverability and search
• [x] Commit Message meets guidelines as indicated in the URL https://github.com/intel-retail/automated-self-checkout/blob/main/CONTRIBUTING.md
• [x] Every commit is a single defect fix and does not mix feature addition or changes
• [x] Unit Tests have been added for new changes
• [x] Updated Documentation as relevant to the changes
• [x] All commented code has been removed
• [ ] If you've added a dependency, you've ensured license is compatible with repository license and clearly outlined the added dependency.
• [ ] PR change contains code related to security
• [ ] PR introduces changes that breaks compatibility with other modules (If YES, please provide details below)

What are you changing?

Issue this PR will close

close: #499

Anything the reviewer should know when reviewing this PR?

Test Instructions if applicable

• git clone this PR
• build capi-yolov8-ensemble pipeline profile: make build-capi_yolov8_ensemble
• start camera-simulator: make run-camera-simulator
• run pipeline: PIPELINE_PROFILE="capi_yolov8_ensemble" DEVICE="CPU" RENDER_MODE=1 sudo -E ./run.sh --platform core inputsrc rtsp://127.0.0.1:8554/camera_0
• run unit tests: make unit-test-profile-launcher should see ALL PASSED
• run smoke tests should see ALL PASSED: make run-smoke-tests

If the there are associated PRs in other repositories, please link them here (i.e. intel-retail/automated-self-checkout )