Update vswhere to a version that supports utf-8

src/installs/visual-studio.ts

@@ -64,7 +64,7 @@ export async function vsInstallations(): Promise<VSInstallation[]> {
   const sys32_path = path.join(process.env.WINDIR as string, 'System32');
 
   const vswhere_args =
-      ['/c', `${sys32_path}\\chcp 65001>nul && "${vswhere_exe}" -all -format json -products * -legacy -prerelease`];
+      ['/c', `${sys32_path}\\chcp 65001>nul && "${vswhere_exe}" -all -format json -utf8 -products * -legacy -prerelease`];
   const vswhere_res
       = await proc.execute(`${sys32_path}\\cmd.exe`, vswhere_args, null, {silent: true, encoding: 'utf8', shell: true})
             .result;