pass GITHUB_CONTEXT to magic-nix-cache#12

colemickens merged 1 commit intomainDeterminateSystems/flakehub-cache-action:mainfrom

colemickens/GITHUB_CONTEXTDeterminateSystems/flakehub-cache-action:colemickens/GITHUB_CONTEXTCopy head branch name to clipboard