deps: update repo-automation-bots digest to 3b86bdf

Author: renovate-bot

.cloudbuild/library_generation/library_generation.Dockerfile

@@ -49,7 +49,7 @@ RUN sh compile-x86_64-alpine-linux.sh
 
 FROM docker.io/library/python:3.13.2-alpine3.20@sha256:816feb29731cdee64b15b0ae91dd9f1cbc36765984ff8ea85a3d90f064417237 as final
 
-ARG OWLBOT_CLI_COMMITTISH=3a68a9c0de318784b3aefadcc502a6521b3f1bc5
+ARG OWLBOT_CLI_COMMITTISH=3b86bdfbf9de8095381737a064e5e195631e4bec
 ARG PROTOC_VERSION=25.5
 ARG GRPC_VERSION=1.69.0
 ARG JAVA_FORMAT_VERSION=1.7