chore: Bump swift grammar

jcs090218 · github-actions[bot] · commit 99da16f28d0c · 2025-07-06T08:30:57.000Z
diff --git a/repos/swift b/repos/swift
@@ -1 +1 @@
-Subproject commit ebefe3134fba71f61c1103cbf27047f749f2b587
+Subproject commit d8816ef1aae8d1e7cf23adff2ace9d556d4b369f
