I submitted a font named "Pillow Bun" in February 2022, but it does not appear to have been accepted or published. The problem is I wrote the wrong name for the ttf file (Marshmallow), while for the PNG image, the font name was correct, namely Pillow Bun. Is there an option where I can rename the ttf file? Or should I re-submit the ttf file with the correct name?

Your font wasn't reviewed yet (current *average* delay is 11 months, but it may vary very much...)

Anyway I've just checked it, and it needs some kerning (or at least better spacing adjustments, especially for the default preview) so if you can fix that don't hesitate to re-submit it with the correct name