Bump protobuf from 4.25.8 to 5.29.6 in /tools/ci_build/github/linux/docker/inference/aarch64/python/cpu/scripts #8496

Job	Run time
6a. Build Regular (No Optional Features)	12m 38s
5. Build Extended Minimal	10m 42s
6b. Build Minimal (No Optional Features)	7m 40s
2. Build Minimal (Exceptions Disabled)	10m 22s
4. Build Minimal (Globally Allowed Types)	8m 36s
6c. Build Extended Minimal (No Optional Features)	7m 50s
1. Build Full ORT and Generate ORT Files	17m 23s
3b. Build Minimal (Type Reduction)	8m 51s
7. Build Extended Minimal (Android NNAPI)	9m 47s
3a. Build Minimal (Custom Ops)	8m 55s
	1h 42m 44s

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