net-p2p/jackett: Update to 0.24.704

While here, added the --NoUpdates flag to the RC script so the app
does not check for a non-existent automatic update.

Changes: https://github.com/Jackett/Jackett/compare/v0.24.196...v0.24.704

PR: 291442
Reported by: Matt <lazeraman@gmail.com>
Approved by: Ralf van der Enden <tremere@cainites.net> (maintainer, timeout 4 weeks)