Incorrect Encoding for CMake Output in VSCode Terminal on Chinese Windows System

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### Brief Issue Summary

## Bug Description

I am using CMake with MSVC to build a C++ program on my Chinese Windows system. With the default settings of CMake Tools, the output displayed in the VSCode terminal has incorrect encoding. Please see the highlighted section in the screenshot below.


## Possible Fix

The default setting for `cmake.outputLogEncoding` is "auto" (related patch: https://github.com/microsoft/vscode-cmake-tools/pull/550). This setting sets the interpreted encoding of CMake output to the ANSI encoding on Windows, which in my case is GBK (cp936).

However, when I set `cmake.outputLogEncoding` to "utf-8", the output displays correctly, so I suspect that the actual encoding of the CMake output is UTF-8. I believe changing the default setting of `cmake.outputLogEncoding` to "utf-8" could resolve this bug.

## How to Reproduce

I believe that building any CMake project on a non-ASCII Windows system will reproduce this problem.

## Related Issues

https://github.com/microsoft/vscode-cmake-tools/issues/3632

### CMake Tools Diagnostics

```shell

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### Debug Log

```shell

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### Additional Information

_No response_

Start with the cmake.outputLogEncoding setting and the related patch in pull request #550. Reproduce a CMake/MSVC build on a Chinese Windows system, compare the default and utf-8 settings in the VSCode terminal, and verify that the corrected default displays output properly.

Written by the indexing model from the issue text.