update name of radiosonde output from sonde

[BenjaminRuston]

Description

the output of the NCAR to IODA converter for prepBUFR uses the name sonde update to radiosonde

enables: https://github.com/JCSDA-internal/skylab/pull/214 https://github.com/JCSDA-internal/ewok/pull/854

Issue(s) addressed

Resolves #1416

Checklist

• [x] I have performed a self-review of my own code
• [x] I have run the unit tests before creating the PR

[BenjaminRuston]

ok @PatNichols and @fcvdb that fixed it so this is ready now after we decide what to do regarding the NCEP BUFRlib fix....