roll: recipes_version.txt bazel: Expand docstring

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/infra/recipes/+/297880
Presubmit-Verified: CQ Bot Account <pigweed-scoped@luci-project-accounts.iam.gserviceaccount.com>
Original-Revision: 3cdf8b71ee986fca5dddb8293f3b0f4ccdf58ae1
GitOrigin-RevId: 186d2ec510d61c061958f39124bbd38e16845339
Change-Id: Iacb417ba2d18aeec9af2d107aef251af482d7b6c

recipes_version.txt

diff --git a/recipes_version.txt b/recipes_version.txt
index 5dd6977..e80eab7 100644
--- a/recipes_version.txt
+++ b/recipes_version.txt
@@ -1 +1 @@
-2557409864ce668aa91d5d230dc747d5fb96d3a2
+3cdf8b71ee986fca5dddb8293f3b0f4ccdf58ae1