Bump protobuf from 4.25.8 to 5.29.6 in /onnxruntime/python/tools/transformers/models/llama #20447

Job	Run time
iphone_simulator (arm64)	1h 35m 27s
Objective-C-StaticAnalysis	4m 24s
iphone_simulator (x86_64)	1h 8m 2s
coreml / build-and-test (arm64, arm64, Debug)	1h 0m 19s
cpu / build-and-test (arm64, arm64, Debug)	1h 0m 35s
xnnpack / build-and-test (arm64, arm64, Debug)	1h 14m 44s
webgpu / build-and-test (arm64, arm64, Release)	1h 26m 27s
webgpu / build-and-test (arm64, arm64, Debug)	1h 29m 41s
webgpu / build-and-test (arm64, x86_64, Release)	55m 9s
coreml / build-and-test (arm64, arm64, Release)	43m 26s
coreml / build-and-test (arm64, x86_64, Release)	1h 1m 27s
cpu / build-and-test (arm64, arm64, Release)	49m 7s
	12h 28m 48s

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