Update quickbook from master

boost-commitbot · boost-commitbot · commit 9193c7dc6353 · 2024-06-17T16:37:31.000Z
diff --git a/tools/quickbook b/tools/quickbook
@@ -1 +1 @@
-Subproject commit 12a390e624f26e2e3f615b10c9681ce5390b02b2
+Subproject commit 56e4aca294d94d5fbcc19d44ea3762b9ec5e5ac9
