fix: predict_requirements.txt to reduce vulnerabilities

The following vulnerabilities are fixed by pinning transitive dependencies:
- https://snyk.io/vuln/SNYK-PYTHON-PILLOW-6219984
- https://snyk.io/vuln/SNYK-PYTHON-PILLOW-6219986

predict_requirements.txt

@@ -11,3 +11,4 @@ setuptools-git>=1.2
 python-dateutil>=2.8.1  
 tqdm>=4.54.0
 fbprophet>=0.7.1
+pillow>=10.2.0 # not directly required, pinned by Snyk to avoid a vulnerability