It more looks like CC-BY4 because CC-BY-SA4 also restricts derivatives to the same license...
Anyway "You may not redistribute it or resell it." is not about CC-BY4 or CC-BY-SA4... so I recommend you to make it consistent in description...
Oh, I realized my mistake!
When I uploaded this asset, I based it on other Itch publications to upload mine. I shared it with a CC-BY-SA license; but most likely the example I used to make my instructions should have had the other CC-BY license. Sorry for the misunderstanding.
In a while I will correct the posts. This is the license I use: