refactor: vanilla extract meter and barstack (#5494)

Author: lisalupi

.changeset/rude-cities-pump.md

@@ -0,0 +1,6 @@
+---
+"@ultraviolet/ui": minor
+---
+
+- Refactor components `Meter` and `BarStack` to use vanilla-extract instead of Emotion
+- Add prop `style` to `Text` to be able to use vanilla-extract variables with it