Add missing checksum to go.sum
9738045a added a dependency to gitlab-shell@v1.9.8. This version of gitlab-shell in turn depends on gitaly@v1.68.0 which depends on cloudflare/tableflip@v0.0.0-20190329062924-8392f1641731. This commit adds the missing checksum for that specific revision of tableflip.
Edited by GitLab Release Tools Bot