Update README.md

Author: cavusmustafa

backends/openvino/README.md

@@ -46,7 +46,7 @@ Before you begin, ensure you have openvino installed and configured on your syst
 
 ```bash
 git clone https://github.com/openvinotoolkit/openvino.git
-cd openvino && git checkout 20ad7cb
+cd openvino && git checkout releases/2025/1
 git submodule update --init --recursive
 mkdir build && cd build
 cmake .. -DCMAKE_BUILD_TYPE=Release -DENABLE_PYTHON=ON