Fix trivy-scan testenv

[yunchu]

Summary

This PR is for fixing issues on the code scanning workflow with push event on v2 branch (https://github.com/openvinotoolkit/training_extensions/actions/workflows/code_scan.yaml)

How to test

Checklist

• I have added unit tests to cover my changes.​
• I have added integration tests to cover my changes.​
• I have added e2e tests for validation.
• I have added the description of my changes into CHANGELOG in my target branch (e.g., CHANGELOG in develop).​
• I have updated the documentation in my target branch accordingly (e.g., documentation in develop).
• I have linked related issues.

License

• I submit my code changes under the same Apache License that covers the project.
  Feel free to contact the maintainers if that's a concern.
• I have updated the license header for each file (see an example below).

# Copyright (C) 2023 Intel Corporation
# SPDX-License-Identifier: Apache-2.0

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 59.16%. Comparing base (5000bd9) to head (d31d066).

Additional details and impacted files

@@            Coverage Diff             @@
##               v2    #3072      +/-   ##
==========================================
- Coverage   59.16%   59.16%   -0.01%     
==========================================
  Files         253      253              
  Lines       15032    15032              
==========================================
- Hits         8894     8893       -1     
- Misses       6138     6139       +1     

Flag	Coverage Δ
py310	59.16% <ø> (ø)
py311	59.16% <ø> (-0.01%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.