Run gix-refspec tests with both sha1 and sha256#2448

Christoph Rüßler (cruessler) wants to merge 4 commits intoGitoxideLabs:mainGitoxideLabs/gitoxide:mainfrom

cruessler:add-sha-256-to-gix-refspeccruessler/gitoxide:add-sha-256-to-gix-refspecCopy head branch name to clipboard