I drink less coffee than I used to. But, I'm not sure how much that has to do with quitting cigarettes (for me anyway).
20 years ago, I was as much a coffee drinker as the OP.
30 years ago, in college, I drank even more ... I had a large banquet style percolator sort of like this ...
I also used to carry a bottle of Tums with me everywhere I went, which I no longer find necessary. I think there might be a connection.
Over the decades, my consumption has gradually declined ... to the point that today I usually drink from 1-3 12 ounce cups/day. Sometimes on off-work days I don't even touch the stuff! Almost as shocking as my giving up cigarettes, LOL.
I don't drink as much. But, I still thoroughly
enjoy a good cup. Especially on chilly mornings.

And, one of my favorite vapes is Coffee with added cream & sweetener from VaporBomb.
