updated novena to bitsy v7.5 + new thumbnail

hey folks!

recently i've been notified that the game runs really slowly on some computers, which apparently has something to do with it being made in a very old version of bitsy (it's been over 3 years already!), so i re-exported novena from v4.8 to v7.5.

i didn't change much about the game except fix one text formatting thing that was bugging me, and i also added the directional avatar hack because it's just a neat thing to have.

i've also changed the itch thumbnail to "celebrate" this update.

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anyway, thank you to everyone who's played this game since i released it for fun all these years ago. it's wild to think that my first game ever got such a warm reception, and it motivated me to make more and more of them and now im at a place where i feel so thoroughly excited about working on these little games and getting better at them.

i hope you guys enjoy what's coming next.

cecile