Update requirements.txt

Author: jbarach2012

requirements.txt

@@ -1,13 +1,9 @@
-# Pinned to versions verified against the test suite. Loosen the pins
-# (>=) if you prefer to track upstream.
-fastapi==0.139.0
-uvicorn[standard]==0.50.2
-sqlalchemy==2.0.51
-pydantic==2.13.4
-scikit-learn==1.8.0
-numpy==2.4.4
-pyyaml==6.0.3
-
-# dev / test
-httpx==0.28.1
-pytest==9.1.1
+fastapi>=0.110
+uvicorn[standard]>=0.27
+sqlalchemy>=2.0
+pydantic>=2.5
+scikit-learn>=1.3
+numpy>=1.26
+pyyaml>=6.0
+httpx>=0.27
+pytest>=7.4