Update docker.io/python:3.13-alpine Docker digest to 18159b2 (#112)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

Dockerfile

@@ -16,7 +16,7 @@ COPY . /app
 RUN --mount=type=cache,target=/root/.cache/uv \
     uv sync --frozen --no-dev
 
-FROM docker.io/python:3.13-alpine@sha256:5b55b4912097e5c297584c6d041fdf94941f8c46a47e488f01556ac066353a41
+FROM docker.io/python:3.13-alpine@sha256:18159b2be11db91f84b8f8f655cd860f805dbd9e49a583ddaac8ab39bf4fe1a7
 
 COPY --from=builder --chown=app:app /app /app