roll: recipes_version.txt docs_builder: Add missing newline

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/infra/recipes/+/299965
Presubmit-Verified: CQ Bot Account <pigweed-scoped@luci-project-accounts.iam.gserviceaccount.com>
Original-Revision: 04f8b81bb4df9fa91336283cc7b7a8c1bb7f840e
GitOrigin-RevId: 0053a4fdfab9f9e9d584e501523eda9f373678c3
Change-Id: Iee32ddead37fca6acc6d37e459814dc50ff0ff66

recipes_version.txt

diff --git a/recipes_version.txt b/recipes_version.txt
index fed9506..a1b411e 100644
--- a/recipes_version.txt
+++ b/recipes_version.txt
@@ -1 +1 @@
-85a40e6f4b18751f52e55d3287356befcaa39114
+04f8b81bb4df9fa91336283cc7b7a8c1bb7f840e