c15294f5 

Remove Cask from emacs-lisp dev shell

It’s broken in Nixpkgs 25.05, so just skip it.
Time to Start Worker time Duration Time to finish
Config 0s 1s 1s 1s
Eval 1s 3s 3s 5s
Build 5s 1m35s 1m37s 1m43s
Suite 0s 1m39s 1m42s 1m43s