History of export_slsa 2 changes

In src/cli/receipt.rs, lines 265–294 on 028545dfa7a4797ef6fa2537bd255cc2f050b6bc3002f5acb00d911007567e2b. 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 265,294:src/cli/receipt.rs.