comment on exported type ImageFormat should be of the form "ImageFormat ..." (with optional leading article)

exported type Options should have comment or be unexported

The following actions uses Node.js version which is deprecated and will be forced to run on node20: actions/setup-go@v4, actions/checkout@v3. For more info: https://github.blog/changelog/2024-03-07-github-actions-all-actions-will-run-on-node20-instead-of-node16-by-default/