requirements: update protobuf requirement from <3.20.4 to <4.25.1 #8225

Job	Run time
select-runner	1s
build (3.7, x64, ubuntu)	3m 43s
build (3.7, x64, windows)	3m 2s
build (3.11, x64, ubuntu)	2m 55s
build (3.11, x64, macos)	3m 44s
build (3.11, x64, windows)	2m 51s
build (3.9, macos, --cov=psyneulink)	3m 2s
build (3.9, ubuntu, --forked -m "not llvm")	2m 47s
build (3.8, x86, windows)	5m 13s
build (3.10, ubuntu, --fp-precision=fp32)	2m 59s
build (3.10, macos, -m benchmark --benchmark-enable --benchmark-only --benchmark-min-rounds=2 --b...	3m 33s
build (3.7, x64, ubuntu, min)	4m 19s
build (3.8, x64, macos)	3m 33s
	41m 42s

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