chore: Bump racket grammar (#538)

github-actions[bot] · web-flow · commit 1d5e274d665b · 2024-04-14T12:21:50.000-07:00
diff --git a/repos/racket b/repos/racket
@@ -1 +1 @@
-Subproject commit d9858a0f607578814f2d34662ad4bc21aa37a455
+Subproject commit 171f52a8c0ed635b85cd42d1e36d82f1066a03b4
