fix: copy wheel meta files in vllm dev stage for editable install (#4738)

Signed-off-by: Anant Sharma <anants@nvidia.com>

container/Dockerfile.vllm

@@ -378,6 +378,7 @@ COPY --from=dynamo_base /usr/local/cargo /usr/local/cargo
 
 # Install maturin, for maturin develop
 # Editable install of dynamo
+COPY pyproject.toml README.md hatch_build.py /workspace/
 RUN uv pip install maturin[patchelf] && \
     uv pip install --no-deps -e .