lint: upgrade to stylua v2.0.2

Author: stevearc

.github/workflows/tests.yml

@@ -34,7 +34,7 @@ jobs:
         uses: JohnnyMorganz/stylua-action@v4
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
-          version: v0.20.0
+          version: v2.0.2
           args: --check lua tests
 
   typecheck: