Add a new operator attribute type `ORT_OP_ATTR_BYTES` to the ORT C API #3474

Job	Run time
precheck	1m 44s
wasm_Release_static_library / build-wasm	6m 59s
wasm_Release / build-wasm	46m 44s
wasm_Debug / build-wasm	47m 26s
web_Release / build_onnxruntime_web	16m 53s
web_Debug / build_onnxruntime_web	15m 22s
	2h 15m 8s

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