History of CasFs::content 1 change

In crates/flow-casfs/src/main.rs, lines 92–132 on 3b1e6c8448ca3058801d6c6a7e374add6d0dfcc9dec82c727a79e8394f9b272f. 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 92,132:crates/flow-casfs/src/main.rs.