[Snyk] Security upgrade tornado from 6.1 to 6.4.1

[Bsingstad]

This PR was automatically created by Snyk using the credentials of a real user.


Snyk has created this PR to fix 2 vulnerabilities in the pip dependencies of this project.

Snyk changed the following file(s):

• requirements.txt

⚠️ Warning

``` ipykernel 6.14.0 requires ipython, which is not installed. ipykernel 6.14.0 requires tornado, which is not installed. jupyter-client 7.3.4 requires tornado, which is not installed. tensorflow 2.9.1 requires tensorflow-io-gcs-filesystem, which is not installed. flake8 4.0.1 has requirement importlib-metadata<4.3; python_version < "3.8", but you have importlib-metadata 4.11.4. tensorboard 2.9.1 has requirement setuptools>=41.0.0, but you have setuptools 40.5.0. virtualenv 20.26.2 has requirement distlib<1,>=0.3.7, but you have distlib 0.3.4. virtualenv 20.26.2 has requirement filelock<4,>=3.12.2, but you have filelock 3.7.1. virtualenv 20.26.2 has requirement importlib-metadata>=6.6; python_version < "3.8", but you have importlib-metadata 4.11.4. virtualenv 20.26.2 has requirement platformdirs<5,>=3.9.1, but you have platformdirs 2.5.2.

</details>





---

> [!IMPORTANT]
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---

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