security vulnerabilities in requests < 2.33.0

[djs0109]

Is your feature request related to a problem? Please describe.
detailed in https://github.com/RWTH-EBC/FiLiP/security/dependabot/4
In shot, requests should be updated to at least ~=2.33.0

[github-actions]

Branch 502-security-vulnerabilities-in-requests-2-33-0 created!