Update requests and urllib3 in /requirements

[mcantelon]

Update requests and urllib3 in /requirements

Updated requests and urllib3 to address security concerns.

Fix security issues:

• https://github.com/artefactual-labs/umcu-uploader/security/dependabot/33
• https://github.com/artefactual-labs/umcu-uploader/security/dependabot/34
• https://github.com/artefactual-labs/umcu-uploader/security/dependabot/35
• https://github.com/artefactual-labs/umcu-uploader/security/dependabot/36