History of Provider::url 2 changes

In crates/hub/src/signin.rs, lines 67–80 on a74ba3cb45110de2d93ca6a30715294f4a59b6bdf7f1b957125985b4dcb9794c. 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 67,80:crates/hub/src/signin.rs.