Update README.md with link to version compatibility matrix

For now, let's at least have this in a github issue. At a later time would be nice to move it directly to readme + docs.

Author: vkuzo

README.md

@@ -113,6 +113,7 @@ pip install torchao
   ```
 </details>
 
+Please see the [torchao compability table](https://github.com/pytorch/ao/issues/2919) for version requirements for dependencies.
 
 ## 🔗 Integrations