Update TRPL to add new Chapter 17: Async and Await

chriskrycho · chriskrycho · commit 6c596a79a585 · 2024-10-17T17:14:12.000-06:00
diff --git a/src/doc/book b/src/doc/book
@@ -1 +1 @@
-Subproject commit f38ce8baef98cb20229e56f1be2d50e345f11792
+Subproject commit 9b812c6278a1fe119ca243d5221a6d305a3a1e43
