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-FLASKCORS-608972
- https://snyk.io/vuln/SNYK-PYTHON-NUMPY-42064
- https://snyk.io/vuln/SNYK-PYTHON-NUMPY-73513
- https://snyk.io/vuln/SNYK-PYTHON-PILLOW-1055461
- https://snyk.io/vuln/SNYK-PYTHON-PILLOW-1055462
- https://snyk.io/vuln/SNYK-PYTHON-PILLOW-1059090
- https://snyk.io/vuln/SNYK-PYTHON-PILLOW-1080635
- https://snyk.io/vuln/SNYK-PYTHON-PILLOW-1080654
- https://snyk.io/vuln/SNYK-PYTHON-PILLOW-1081494
- https://snyk.io/vuln/SNYK-PYTHON-PILLOW-1081501
- https://snyk.io/vuln/SNYK-PYTHON-PILLOW-1081502
- https://snyk.io/vuln/SNYK-PYTHON-PILLOW-1082329
- https://snyk.io/vuln/SNYK-PYTHON-PILLOW-1082750
- https://snyk.io/vuln/SNYK-PYTHON-PILLOW-1090584
- https://snyk.io/vuln/SNYK-PYTHON-PILLOW-1090586
- https://snyk.io/vuln/SNYK-PYTHON-PILLOW-1090587
- https://snyk.io/vuln/SNYK-PYTHON-PILLOW-1090588
- https://snyk.io/vuln/SNYK-PYTHON-PILLOW-574573
- https://snyk.io/vuln/SNYK-PYTHON-PILLOW-574574
- https://snyk.io/vuln/SNYK-PYTHON-PILLOW-574575
- https://snyk.io/vuln/SNYK-PYTHON-PILLOW-574576
- https://snyk.io/vuln/SNYK-PYTHON-PILLOW-574577
- https://snyk.io/vuln/SNYK-PYTHON-PYTHONLEVENSHTEIN-1061894
javaTheHutts/Java-the-Hutts