wip
Created by: ggilmore
cherry-pick @andreeleuterio's curl fixes (it should be safe to pick these, since no other meaningful changes have been made to the base alpine images since then) :
- https://github.com/sourcegraph/sourcegraph/pull/38820/commits/a4a21290b9f661702e0a00ff5d6bd50eb5a4bc49
- https://github.com/sourcegraph/sourcegraph/pull/38820/commits/b3aa1c46df59b8bc04327493bcf4c26c6d8ae12e
cherry-pick @keegancsmith's Zoekt change that 1) includes a newer version of curl 2) includes the indexConcurrency feature that the customer might want to take advantage of: