build(deps): bump python in /engine

Bumps python from 3.13-slim-bookworm to 3.14-slim-bookworm.

---
updated-dependencies:
- dependency-name: python
  dependency-version: 3.14-slim-bookworm
  dependency-type: direct:production
...

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

Author: dependabot[bot]

engine/Dockerfile

@@ -8,7 +8,7 @@ COPY engine/pyproject.toml engine/uv.lock ./
 RUN --mount=type=cache,target=/root/.cache/uv \
     uv sync --frozen --no-dev --no-install-project --group engine
 
-FROM python:3.13-slim-bookworm@sha256:00faa2debb87529f9f0764e9491d8ba400a3678976616c3bd7cb193745ac20d1 AS runtime
+FROM python:3.14-slim-bookworm@sha256:416f0db2a2b561945630cef9877a7ea0581b27449eb9fd9df42f03e1b74b5b63 AS runtime
 
 # Created before the COPYs so they land owned; a later chown -R duplicates the venv layer.
 RUN set -eux; \