Bump flwr version

Author: chongshenng

.devcontainer/Dockerfile

@@ -28,7 +28,7 @@ RUN apt-get install --no-install-recommends -y curl wget gnupg python3 python-is
 RUN python3 -m venv /opt/venv && chown -R $USERNAME:$USERNAME /opt/venv
 ENV PATH="/opt/venv/bin:$PATH"
 
-RUN python -m pip install -U --no-cache-dir pip "git+https://github.com/adap/flower.git#subdirectory=framework"
+RUN python -m pip install -U --no-cache-dir pip "flwr[simulation]"
 
 USER $USERNAME
 ENV PATH="/home/$USERNAME/.local/bin:${PATH}"

README.md

@@ -179,7 +179,7 @@ Now, in this interactive part of the tutorial, you can participate in the _first
 ```shell
 docker run \
   --volume "$(pwd)/certificates:/certificates:ro" \
-  flwr/supernode:1.18.0.dev20250403 \
+  flwr/supernode:1.18.0 \
   --superlink="91.99.49.68:9092" \
   --root-certificates /certificates/ca.crt
 ```