roll: recipes_version.txt bazel: Expand docstring

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/infra/recipes/+/296316
Presubmit-Verified: CQ Bot Account <pigweed-scoped@luci-project-accounts.iam.gserviceaccount.com>
Original-Revision: a69943647385f7db1ab5bc38121fbe309745d7c8
GitOrigin-RevId: 2f788fa76423295f7f4873e1111f45d29548da76
Change-Id: I8051813d4dc71b2932fa5387e7899ea41ca70f4f

recipes_version.txt

diff --git a/recipes_version.txt b/recipes_version.txt
index 77b8c20..1a38a84 100644
--- a/recipes_version.txt
+++ b/recipes_version.txt
@@ -1 +1 @@
-52d9291a083fd5128e1489313c375614441bd7c3
+a69943647385f7db1ab5bc38121fbe309745d7c8