Use GIX_TEST_FIXTURE_HASH for gix-filter#2495

Sebastian Thiel (Byron) merged 1 commit intoGitoxideLabs:mainGitoxideLabs/gitoxide:mainfrom

cruessler:add-sha-256-to-gix-filtercruessler/gitoxide:add-sha-256-to-gix-filterCopy head branch name to clipboard