net/nmsg: Upgrade to 1.3.2

nmsg (1.3.2-1)

• Add configure --with-coverage feature and make targets "clean-coverage" and "report-coverage" for code coverage analysis.
• Add more documentation to nmsgtool manual.
• Remove unused dead code.
• Lots of tests added and improved.
• Add sample statsmod plugin (nmsg_stats1_sample) with parameters "out" to define output filename and "secs" to set the update frequency in seconds.
• Various packet capture parsing fixes for DNSQR message type.
• Fix bug where idle JSON and presentation inputs block SIGINT.

MFH: 2025Q3
Sponsored by: DomainTools LLC