fix: ENV warning

Signed-off-by: james <open4pd@4paradigm.com>

Author: DSFans2014

Dockerfile

@@ -16,7 +16,7 @@ RUN --mount=type=cache,target=/go/pkg/mod \
     make all
 
 FROM $BASE_IMAGE
-ENV LD_LIBRARY_PATH /usr/local/Ascend/driver/lib64:/usr/local/Ascend/driver/lib64/driver:/usr/local/Ascend/driver/lib64/common
+ENV LD_LIBRARY_PATH=/usr/local/Ascend/driver/lib64:/usr/local/Ascend/driver/lib64/driver:/usr/local/Ascend/driver/lib64/common
 COPY --from=build /build/ascend-device-plugin /usr/local/bin/ascend-device-plugin
 
 ENTRYPOINT ["ascend-device-plugin"]