Optimized Docker build to fix OOM errors

Dockerfile

@@ -16,7 +16,7 @@ ENV MAX_JOBS=1
 # Install nvdiffrast (CUDA rasterizer) - needs GPU, build here
 RUN git clone --depth 1 https://github.com/NVlabs/nvdiffrast.git /tmp/nvdiffrast \
     && cd /tmp/nvdiffrast \
-    && PIP_DISABLE_PEP517=1 python3 -m pip install . --no-build-isolation --no-deps \
+    && python3 -m pip install . --no-use-pep517 --no-build-isolation --no-deps \
     && python3 -c "import nvdiffrast.torch" \
     && rm -rf /tmp/nvdiffrast