Dynoxide 1.4.0 adds clean server shutdowns and JSON Lines import support

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Dynoxide 1.4.0 is a smaller update that includes a community contribution from Sam Chung, who added support for JSON Lines files. The import command now reads .jsonl and .jsonl.gz files alongside the existing JSON formats. A new serve_with_shutdown function in dynoxide-rs 3.1.0 lets developers stop an embedded HTTP server gracefully, closing connections so database files can be deleted, which matters on Windows. The release also brings UpdateItem, PartiQL, Scan and Query closer to DynamoDB's behaviour and fixes two Scan bugs that returned wrong items. Crate and product versions are now 3.1.0 and 1.4.0 respectively.

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