Dockerfile: Change uv sync call to use --dev

uv complained about the use of --extra dev

Signed-off-by: Peter Neuroth <[email protected]>

Author: nepet

docker/gl-testing/Dockerfile

@@ -215,7 +215,7 @@ ADD . /repo
 WORKDIR /repo
 
 # Populate `uv` cache
-RUN uv sync --all-packages --extra dev
+RUN uv sync --all-packages --dev
 
 # Populate CLN versions
 RUN uv run python3 -m clnvm --verbose get-all