[Snyk] Security upgrade filelock from 3.12.2 to 3.20.1

[JeanMaximilienCadic]

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

Snyk changed the following file(s):

• requirements.txt

⚠️ Warning

gdown 4.7.3 requires filelock, which is not installed.

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Note

Pins filelock (>=3.20.1) in requirements.txt to address a vulnerability and fulfill gdown's requirement.

• Dependencies:
  • Add filelock>=3.20.1 to requirements.txt, pinning to a secure version and satisfying gdown's dependency.

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