[Snyk] Security upgrade certifi from 2023.7.22 to 2024.7.4

[zxenonx]

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


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

Snyk changed the following file(s):

• backend/requirements.txt

⚠️ Warning

``` virtualenv 20.26.3 has requirement filelock<4,>=3.12.2, but you have filelock 3.3.1. virtualenv 20.26.3 has requirement distlib<1,>=0.3.7, but you have distlib 0.3.3. virtualenv 20.26.3 has requirement platformdirs<5,>=3.9.1, but you have platformdirs 2.4.0. pydantic 1.10.13 has requirement typing-extensions>=4.2.0, but you have typing-extensions 3.10.0.2. httpx 0.23.0 has requirement httpcore<0.16.0,>=0.15.0, but you have httpcore 0.13.7.

</details>





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