Bump cachix/cachix-action from 10 to 12#4

dependabot[bot] wants to merge 1 commit intomasterdyniec/haskell-language-server:masterfrom

dependabot/github_actions/cachix/cachix-action-12dyniec/haskell-language-server:dependabot/github_actions/cachix/cachix-action-12Copy head branch name to clipboard