ci(deps): update determinatesystems/nix-installer-action action to v21 - autoclosed#52

refnode wants to merge 1 commit intomainrefnode/nixcfg:mainfrom

renovate/determinatesystems-nix-installer-action-21.xrefnode/nixcfg:renovate/determinatesystems-nix-installer-action-21.xCopy head branch name to clipboard