### What problem does this PR solve?
This change adds 'Vietnamese' to the list of supported languages in two
components related to cross-language functionality. The addition expands
language support by including Vietnamese as a selectable option
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
Feat: Cross-language query #7376#4503#5710#7470
### Type of change
- [x] New Feature (non-breaking change which adds functionality)