fix: requirements.txt to reduce vulnerabilities

The following vulnerabilities are fixed by pinning transitive dependencies:
- https://snyk.io/vuln/SNYK-PYTHON-SCIKITLEARN-7217830

requirements.txt

@@ -17,4 +17,4 @@ pytest-env
 # otherwise librosa breaks
 numba==0.48
 #numba>=0.49.0 # not directly required, pinned by Snyk to avoid a vulnerability
-scikit-learn>=0.24.2 # not directly required, pinned by Snyk to avoid a vulnerability
+scikit-learn>=1.5.0 # not directly required, pinned by Snyk to avoid a vulnerability