A reminder: GitHub Actions default shell on Windows runners is changing to PowerShell 10/23

Hey folks,

On 10/23/2019 we will change the default shell for the run step on Windows runners to PowerShell.

If your run step contains Windows batch scripting you should update it to specify cmd as the shell to avoid being broken.

- run: |
    ...
  shell: cmd

https://github.blog/changelog/2019-10-17-github-actions-default-shell-on-windows-runners-is-changing-to-powershell/

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