roll: recipes_version.txt post_attribution_roller_retrigger: Update docstring

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/infra/recipes/+/297092
Presubmit-Verified: CQ Bot Account <pigweed-scoped@luci-project-accounts.iam.gserviceaccount.com>
Original-Revision: 67ab8e2ca19deb606f1ea8feee9cb0944bb97191
GitOrigin-RevId: ae3202e88a57d44135519f8c8b89015f9e87eb38
Change-Id: I487f07a203b733bc2e65050ddf56cf79018bf024

recipes_version.txt

diff --git a/recipes_version.txt b/recipes_version.txt
index 0e4c770..0a69fd3 100644
--- a/recipes_version.txt
+++ b/recipes_version.txt
@@ -1 +1 @@
-c68ec5d5abf9708454342b4235c7ec86d530aee5
+67ab8e2ca19deb606f1ea8feee9cb0944bb97191