Add Permissions to Ultralytics Actions `format.yml` (#13587)

* Update Ultralytics Actions permissions

* Update format.yml

Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>

* Update format.yml

Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>

* Auto-format by https://ultralytics.com/actions

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Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>
Co-authored-by: UltralyticsAssistant <web@ultralytics.com>