Update Python Versions in README

Signed-off-by: R Chintan Meher <meherrihaan@gmail.com>

Author: sharktide

README.md

@@ -21,8 +21,8 @@ The common issues we run into we try to document here [Troubleshooting Guide](Tr
 
 | Build Type | OS | Python | TensorFlow | ONNX opset |
 | ---        | -  | ---    | ---        | ---        |
-| Unit Test - Basic | Linux, Windows | 3.7-3.10 | 1.15, 2.9-2.15 | 14-18 |
-| Unit Test - Full | Linux, Windows | 3.7-3.10 | 1.15, 2.9-2.15 | 14-18 | 
+| Unit Test - Basic | Linux, Windows | 3.7-3.12 | 1.15, 2.9-2.15 | 14-18 |
+| Unit Test - Full | Linux, Windows | 3.7-3.12 | 1.15, 2.9-2.15 | 14-18 | 
 <br/>
 
 ## Supported Versions
@@ -46,7 +46,7 @@ You can install tf2onnx on top of tf-1.x or tf-2.x.
 
 ### Python
 
-We support Python ```3.7-3.10```.
+We support Python ```3.7-3.12```.
 
 ## Prerequisites