chore: Bump pgn grammar

jcs090218 · github-actions[bot] · commit 94a970c6ab8f · 2024-09-29T01:54:37.000Z
diff --git a/repos/pgn b/repos/pgn
@@ -1 +1 @@
-Subproject commit e871c8f091ab9d5059879f3e989c8024cd6378d1
+Subproject commit c44eef387dd8654e3c48e6f681f1985573348220
