History of b64url 1 change

In crates/hub/src/oidc.rs, lines 188–198 on 757195ad7a5db0029af1a41507434077abedd0825b245f8e129a7bc23fb6302a. 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 188,198:crates/hub/src/oidc.rs.