History of pg::Session::release 1 change

In crates/hub/src/leader.rs, lines 339–349 on d2263e299da7b94c34efdbabdf0f5232fcb7e0ac463a85dd9987532a9b0bf718. 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 339,349:crates/hub/src/leader.rs.