fix(noUnusedLabels,noConfusingLabels): ignore Svelte reactive statements

[Conaclos]

Summary

Fix #2571

We now ignore the use of labels named $ in Svelte components for the noUnusedLabels and noCOnfusingLabels rules.

Test Plan

I added tests for each rule.

[codspeed-hq]

CodSpeed Performance Report

Merging #2692 will not alter performance

_{Comparing conaclos/reactive-svelte-stetments/2571 (2295e57) with main (43525a3)}

Summary

✅ 86 untouched benchmarks

[ematipico]

We should add a test where we check that the rule is still triggered for labels that aren't $