net/nmsg: Upgrade to version 1.4.0
nmsg (1.4.0):
- Removed nmsgtool support for presentation inputs.
- Properly handle fragmented containers in zmq/kafka inputs.
- Support single nmsg payload kafka in/out sources.
- Clean-up temp files after failed start using -w.
- Improved warning for mismatched CRC.
- Require json-c build dependency.
- Fix various small memory leaks and mismanagement issues.
- Fix strict aliasing violations.
- Removal of various unused header files.
- Various documentation fixes.
MFH: 2026Q3
Sponsored by: DomainTools LLC