`gh secret set` strips the trailing newline when storing APPLE_API_KEY_CONTENT, and Apple's PEM parser expects the key file to end with one. Write it back explicitly so notarization can load the key.
`gh secret set` strips the trailing newline when storing APPLE_API_KEY_CONTENT, and Apple's PEM parser expects the key file to end with one. Write it back explicitly so notarization can load the key.