History of Retention::default 2 changes

In crates/hub/src/config.rs, lines 229–231 on c21ef37dd4a0641cafb7fe4cf430093934e416d10b582d4183d9c30f722f42e5. Every change that wrote or deleted one of these lines, or deleted a line from between them. Exact, because each line keeps its identity across edits; edits elsewhere in the file are not here. Also: oxy log -L 229,231:crates/hub/src/config.rs.