fix: requirements.txt to reduce vulnerabilities
fix: requirements.txt to reduce vulnerabilities


The following vulnerabilities are fixed by pinning transitive dependencies:
- https://snyk.io/vuln/SNYK-PYTHON-DJANGO-559326

ioana-chiorean/coding-events,ioana-chiorean/coding-events,ioana-chiorean/coding-events,ioana-chiorean/coding-events,ioana-chiorean/coding-events