History of Hub::claim 1 change

In crates/flow/src/runner.rs, lines 39–44 on fe128fa67a06401b7c2d469178bcfe1e047e29c97fe5b9acba0bc8dd9ac84b2a. 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 39,44:crates/flow/src/runner.rs.