Update requirements.txt

requirements.txt

@@ -1,9 +1,7 @@
-flask==2.3.3
-tensorflow==2.19.0
-numpy==2.1.0
-opencv-python==4.11.0.86
-pillow==11.2.1
-requests==2.32.3
-uvicorn==0.34.2
-werkzeug==2.3.8
-flask_cors==4.0.0
+fastapi>=0.68.0
+uvicorn>=0.15.0
+tensorflow>=2.6.0
+pillow>=9.0.0
+opencv-python-headless>=4.5.4.60
+numpy>=1.21.0
+python-multipart>=0.0.5