A few words.
Read the sticky threads. Read the community rules.
Why games get into quarantine is secret, so do not expect information about this. It will be several factors coming together. The solution to get out of quarantine is ... waiting.
If that takes too long, read the sticky and the rules again.
Delisting is a side effect of quarantine.
A quick glance at your game says to me that you use 2d graphics. If your game is 3GB, you might be doing some things wrong. https://itch.io/t/2885012/tips-for-reducing-the-size-of-your-build The short of it: use lossy compressed webp. And not something like png or lossless webp. I have seen games use 3MB per image, where it should have been 150kB.