fix typo in readme (#17788)

* Update PaddlePaddle version in installation guide

Update installation instructions to reflect PaddlePaddle version 3.2.0.

* Update installation output version to 3.2.0

---------

Co-authored-by: Lin Manhui <mhlin425@whu.edu.cn>

Author: scyyh11

docs/version3.x/installation.en.md

@@ -71,7 +71,7 @@ python -c "import paddle; print(paddle.__version__)"
 If the installation is successful, the following content will be output:
 
 ```bash
-3.0.0
+3.2.0
 ```
 
 ## 1.3 Installation of PaddlePaddle Wheel Package for Windows with NVIDIA 50 Series GPUs

docs/version3.x/installation.md

@@ -71,7 +71,7 @@ python -c "import paddle; print(paddle.__version__)"
 如果已安装成功，将输出以下内容：
 
 ```bash
-3.0.0
+3.2.0
 ```
 
 ## 1.3 Windows 系统适配 NVIDIA 50 系显卡的 PaddlePaddle wheel 包安装