Update hugo-book theme to v12

neobrain · neobrain · commit 784e20b587e5 · 2025-10-04T21:33:17.000+02:00
diff --git a/themes/hugo-book b/themes/hugo-book
@@ -1 +1 @@
-Subproject commit c19a0a60ffca5c4efaff2bf6ed67d81d88d85047
+Subproject commit 634e29de19bd9608acaa2ece2d0f37a9f838232d
