deps: update repo-automation-bots digest to 0a12b5d (#3464)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| repo-automation-bots | digest | `8b7d94b` -> `0a12b5d` |

---

> [!WARNING]
> Some dependencies could not be looked up. Check the Dependency
Dashboard for more information.

---

### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined),
Automerge - At any time (no schedule defined).

🚦 **Automerge**: Disabled by config. Please merge this manually once you
are satisfied.

♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the
rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update
again.

---

- [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check
this box

---

This PR was generated by [Mend Renovate](https://mend.io/renovate/).
View the [repository job
log](https://developer.mend.io/github/googleapis/sdk-platform-java).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzOS41OC4xIiwidXBkYXRlZEluVmVyIjoiMzkuOTIuMCIsInRhcmdldEJyYW5jaCI6Im1haW4iLCJsYWJlbHMiOltdfQ==-->

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:3.13.1-alpine3.20@sha256:9ab3b6ef4afb7582afaa84e97d40a36f192595bb0578561c282cecc22a45de49 as final
 
-ARG OWLBOT_CLI_COMMITTISH=8b7d94b4a8ad0345aeefd6a7ec9c5afcbeb8e2d7
+ARG OWLBOT_CLI_COMMITTISH=0a12b5d22a1ee0975dae8142d61c828ea74508e4
 ARG PROTOC_VERSION=25.5
 ARG GRPC_VERSION=1.69.0
 ARG JAVA_FORMAT_VERSION=1.7