fix requirements versions

requirements.txt

@@ -1,6 +1,6 @@
-fastapi==0.111.0
-uvicorn==0.29.0
-python-multipart==0.0.9
-opencv-python-headless==4.9.0.80
-numpy==1.26.4
-tensorflow-cpu==2.16.1
+fastapi
+uvicorn
+python-multipart
+opencv-python-headless
+numpy
+tensorflow-cpu