Added -u to the build_all script for CI testing using the bash system

[TerrenceMcGuinness-NOAA]

Description

This PR simply updates the line to build from build_all.sh -kg to build_all.sh -kug for when CI is used with the Bash system currently on WCOSS.

Type of change

• Maintenance (code refactor, clean-up, new CI test, etc.)

Change characteristics

• Is this a breaking change (a change in existing functionality)? YES
• Does this change require a documentation update? NO