Remove special handling of empty blob hash in gix - treat as error if not found#2169

Byron merged 2 commits intomainGitoxideLabs/gitoxide:mainfrom

copilot/fix-54bce74a-dc5e-4361-b53b-326c16b34046GitoxideLabs/gitoxide:copilot/fix-54bce74a-dc5e-4361-b53b-326c16b34046Copy head branch name to clipboard