[Snyk] Security upgrade onnx from 1.14.1 to 1.16.2

[mikolajroszak]

Snyk has created this PR to fix 1 vulnerabilities in the pip dependencies of this project.

Snyk changed the following file(s):

• test_requirements.txt

⚠️ Warning

``` tf2onnx 1.16.1 requires onnx, which is not installed.

</details>





---

> [!IMPORTANT]
>
> - Check the changes in this PR to ensure they won't cause issues with your project.
> - Max score is 1000. Note that the real score may have changed since the PR was raised.
> - This PR was automatically created by Snyk using the credentials of a real user.
> - Some vulnerabilities couldn't be fully fixed and so Snyk will still find them when the project is tested again. This may be because the vulnerability existed within more than one direct dependency, but not all of the affected dependencies could be upgraded.

---

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---

**Learn how to fix vulnerabilities with free interactive lessons:**

🦉 [Path Traversal](https://learn.snyk.io/lesson/directory-traversal/?loc&#x3D;fix-pr)

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[cloudflare-workers-and-pages]

Deploying www-kraboweskorupki-com with    Cloudflare Pages

Latest commit:	7d5f497
Status:	🚫  Build failed.

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[secure-code-warrior-for-github]

Micro-Learning Topic: Path traversal (Detected by phrase)

Matched on "Path Traversal"

What is this? (2min video)

Path traversal vulnerabilities occur when inputs that have not been sufficiently validated or sanitised are used to build directory or file paths. If an attacker can influence the path being accessed by the server, they may be able to gain unauthorised access to files or even execute arbitrary code on the server (when coupled with file upload functionality).

Try a challenge in Secure Code Warrior

Helpful references

• OWASP Input Validation Cheat Sheet - This cheatsheet is focused on providing clear, simple, actionable guidance for preventing injection and input validation flaws in your applications, including defence against path traversal.
• OWASP Path Traversal - OWASP community page with comprehensive information about path traversal, and links to various OWASP resources to help detect or prevent it.