fix cache issue where it would grow over time
fix cache issue where it would grow over time

leading to gigantic cache files which were slow to write

thheller/shadow-devtools,thheller/shadow-devtools,thheller/shadow-devtools,thheller/shadow-cljs,thheller/shadow-cljs,thheller/shadow-cljs,thheller/shadow-devtools,thheller/shadow-cljs