build(deps): bump astral-sh/uv from 0.12.1 to 0.12.3 (#165)

Bumps [astral-sh/uv](https://github.com/astral-sh/uv) from 0.12.1 to 0.12.3.
- [Release notes](https://github.com/astral-sh/uv/releases)
- [Changelog](https://github.com/astral-sh/uv/blob/main/CHANGELOG.md)
- [Commits](astral-sh/uv@0.12.1...0.12.3)

---
updated-dependencies:
- dependency-name: astral-sh/uv
  dependency-version: 0.12.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]

Dockerfile

@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: Apache-2.0
 # pg-llm-batch component image: CLI + /healthz server.
-FROM ghcr.io/astral-sh/uv:0.12.1@sha256:cf4eedcaa81655197f625739489effcbe71b61ceb1506f332c3facae5deceded AS uv
+FROM ghcr.io/astral-sh/uv:0.12.3@sha256:2d890623d310b57771ce840f0da5eed5fc6d657da05ffaa45d82797b53fa3abc AS uv
 
 FROM python:3.14-slim@sha256:cea0e6040540fb2b965b6e7fb5ffa00871e632eef63719f0ea54bca189ce14a6 AS builder