fix: don't spawn shell: true on Windows anymore

[codebytere]

Refs #51

Fixes:

npm error HEAD is now at 4430e4a build(deps): bump actions/setup-node from 6.0.0 to 6.1.0 (#786)
npm error 'C:\Program' is not recognized as an internal or external command,
npm error operable program or batch file.
npm error Failed to install build-tools:  Error: Command "yarn install" failed with exit code 1
npm error     at throwForBadSpawn (file:///C:/Users/ContainerAdministrator/AppData/Roaming/npm/node_modules/@electron/build-tools/preinstall.js:13:11)
npm error     at install (file:///C:/Users/ContainerAdministrator/AppData/Roaming/npm/node_modules/@electron/build-tools/preinstall.js:60:5)
npm error     at file:///C:/Users/ContainerAdministrator/AppData/Roaming/npm/node_modules/@electron/build-tools/preinstall.js:81:1
npm error     at ModuleJob.run (node:internal/modules/esm/module_job:343:25)
npm error     at async onImport.tracePromise.__proto__ (node:internal/modules/esm/loader:665:26)
npm error     at async asyncRunEntryPointWithESMLoader (node:internal/modules/run_main:117:5)
npm error A complete log of this run can be found in: C:\Users\ContainerAdministrator\AppData\Local\npm-cache\_logs\2026-01-12T14_20_07_275Z-debug-0.log

as seen in https://github.com/electron/electron/actions/runs/20922534306/job/60111797235?pr=49362

[electron-npm-package-publisher]

🎉 This PR is included in version 2.1.3 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

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