Add generic type annotations to chart components configs

[graphieros]

Chart configuration computed properties are currently lacking generic type annotations because:

• a fix needs to be applied on the VueUiXyConfig type (missing param definition in tooltip.customFormat)
• some guards need to be applied on export callbacks

1. Update vue-data-ui type defs
2. Bump vue-data-ui version
3. Add all generic type annotations to all chart configuration computed properties
4. Add guards on export callbacks