Ensure protobuf is installed internally (#6892) #11626

Job	Run time
build-data-server-pip (native, ubuntu-20.04, 1.65.0)	1m 10s
lint-frontend	1m 19s
build-data-server-pip (native, macos-12, 1.65.0)	1m 54s
lint-misc	12s
lint-python-flake8 (3.9)	18s
build-data-server-pip (universal, ubuntu-20.04, 1.65.0)	8s
lint-python-flake8 (3.10)	12s
lint-python-flake8 (3.11)	16s
lint-python-yaml-docs	22s
lint-rust (1.65.0, 0.16.1)	30s
build (tf, 3.9)	12m 21s
build (notf, 3.9)	5m 19s
	24m 1s

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