Remove version upper bound for protobuf dependency #292

Job	Run time
Run unit tests for Python 3.9	2m 18s
Lint and check code	13s
Run unit tests for Python 3.13	2m 29s
Check Completion	2s
Wheel ${{ matrix.image.name }} - Py ${{ matrix.python.version }} - ${{ matrix.cpu.platform }}	0s
Wheel MacOS Universal2 - Py ${{ matrix.py.version }}	0s
Python ${{ matrix.python.version }} Wheel on Windows x64	0s
Run unit tests for Python 3.9	2m 22s
Lint and check code	13s
Run unit tests for Python 3.13	2m 29s
Wheel MacOS Universal2 - Py 3.13	3m 52s
Python 3.12 Wheel on Windows x64	2m 39s
Wheel manylinux_musl - Py 3.13 - x86_64	3m 13s
Wheel manylinux - Py 3.13 - x86_64	14m 54s
Check Completion	3s
	34m 47s

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