Python: Bump uv from 0.11.32 to 0.12.5 in /python (#7780)

* Bump uv from 0.11.32 to 0.12.5 in /python

Bumps [uv](https://github.com/astral-sh/uv) from 0.11.32 to 0.12.5.
- [Release notes](https://github.com/astral-sh/uv/releases)
- [Changelog](https://github.com/astral-sh/uv/blob/main/CHANGELOG.md)
- [Commits](https://github.com/astral-sh/uv/compare/0.11.32...0.12.5)

---
updated-dependencies:
- dependency-name: uv
  dependency-version: 0.12.5
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

* Align lab uv pin to 0.12.5 and update uv.lock

Co-authored-by: moonbox3 <35585003+moonbox3@users.noreply.github.com>

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: moonbox3 <35585003+moonbox3@users.noreply.github.com>

python/packages/lab/pyproject.toml

@@ -57,7 +57,7 @@ math = [
 
 [dependency-groups]
 dev = [
-    "uv==0.11.32",
+    "uv==0.12.5",
     "ruff==0.16.3",
     "pytest==9.1.1",
     "mypy==2.3.1",