chore: Bump pgn grammar

jcs090218 · github-actions[bot] · commit 43a3586a3d0f · 2024-10-06T01:54:00.000Z
diff --git a/repos/pgn b/repos/pgn
@@ -1 +1 @@
-Subproject commit c44eef387dd8654e3c48e6f681f1985573348220
+Subproject commit 38b20cead0ec1ab787cd36292a9160a2145df574
