fix: use specific uv version in ML dockerfile (#21611)

Author: bo0tzz

machine-learning/Dockerfile

@@ -59,7 +59,7 @@ ENV PYTHONDONTWRITEBYTECODE=1 \
 
 RUN apt-get update && apt-get install -y --no-install-recommends g++
 
-COPY --from=ghcr.io/astral-sh/uv:latest@sha256:f3660c56d5b08d6c516360981bedc439f499b9bf37f46a216018da3777a74011 /uv /uvx /bin/
+COPY --from=ghcr.io/astral-sh/uv:0.8.15@sha256:a5727064a0de127bdb7c9d3c1383f3a9ac307d9f2d8a391edc7896c54289ced0 /uv /uvx /bin/
 RUN --mount=type=cache,target=/root/.cache/uv \
     --mount=type=bind,source=uv.lock,target=uv.lock \
     --mount=type=bind,source=pyproject.toml,target=pyproject.toml \