Fix unicode issue #11558

Job	Run time
update_readme	5s
build_docs (ubuntu-latest)	3m 10s
build_docs (windows-latest)	3m 29s
test (ubuntu-latest, py311)	20m 34s
test (ubuntu-latest, py311-ort-nightly)	20m 28s
test (ubuntu-latest, py311-onnx-ir-git)	19m 59s
test (ubuntu-latest, py311-onnx-weekly)	20m 56s
test (ubuntu-latest, py312)	21m 23s
test (ubuntu-latest, py311-torch-nightly)	18m 41s
test (macos-latest, py310)	7m 48s
test (ubuntu-latest, py310)	42m 44s
test (macos-latest, py312)	9m 1s
test (macos-latest, py311-ort-nightly)	10m 22s
test (macos-latest, py311)	8m 56s
test (windows-latest, py312)	8m 48s
test (windows-latest, py311-torch-nightly)	9m 38s
test (windows-latest, py311)	9m 12s
test (macos-latest, py311-onnx-weekly)	7m 55s
test (macos-latest, py311-torch-nightly)	8m 49s
test (windows-latest, py311-ort-nightly)	9m 48s
test (windows-latest, py311-onnx-weekly)	9m 14s
test (windows-latest, py310)	8m 32s
test (windows-latest, py311-onnx-ir-git)	10m 10s
test (macos-latest, py311-onnx-ir-git)	13m 29s
	5h 3m 11s

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