sysutils/siegfried: update to 1.9.3

ChangeLog: https://github.com/richardlehane/siegfried/blob/main/CHANGELOG.md

Added

• JS/WASM build support
• wikidata signature added to -update.
• -nopronom flag added to roy inspect subcommand.

Changed

• update PRONOM to v104
• update LOC signatures to 2022-05-09
• update Wikidata to 2022-05-20
• update tika-mimetypes signatures to v2.4.0
• update freedesktop.org signatures to v2.2

Fixed

• invalid JSON output for fmt/1472 due to tab in MIME field.
• panic on corrupt Zip containers.

Reported by: portscout