C examples refer to 0.4.0 in rel-0.5.2

[natke]

Describe the bug
As per the title

To Reproduce
Steps to reproduce the behavior:

1. Check out the repo
2. cd onnxruntime-genai
3. git checkout rel-0.5.2
4. code examples\c\README.md

Expected behavior
The examples would use the 0.5.2 release of onnxruntime-genai and the 1.20 version of onnxruntime

Additional context
https://github.com/microsoft/onnxruntime-genai/tree/rel-0.5.2/examples/c#windows-x64-cpu

curl -L https://github.com/microsoft/onnxruntime-genai/releases/download/v0.4.0/onnxruntime-genai-win-cpu-x64-capi.zip -o onnxruntime-genai-win-cpu-x64-capi.zip
tar xvf onnxruntime-genai-win-cpu-x64-capi.zip
cd onnxruntime-genai-win-cpu-x64-capi
tar xvf onnxruntime-genai-0.4.0-win-x64.zip
copy onnxruntime-genai-0.4.0-win-x64\include\* ..\include
copy onnxruntime-genai-0.4.0-win-x64\lib\* ..\lib
cd ..