Add private-deep-imports lint (disallow `metro*/src/...`) #481

Job	Run time
Tests with coverage	1m 45s
Type check, lint, smoke test	35s
test (ubuntu-latest, 18.18.0) / Tests [Node.js 18.18.0, ubuntu-latest, Using yarn.lock]	3m 14s
test (windows-latest, 18.18.0) / Tests [Node.js 18.18.0, windows-latest, Using yarn.lock]	2m 8s
test (ubuntu-latest, lts/) / Tests [Node.js lts/, ubuntu-latest, Using yarn.lock]	47s
test (macos-latest, 18.18.0) / Tests [Node.js 18.18.0, macos-latest, Using yarn.lock]	1m 10s
test (macos-latest, lts/) / Tests [Node.js lts/, macos-latest, Using yarn.lock]	43s
test (windows-latest, lts/-1) / Tests [Node.js lts/-1, windows-latest, Using yarn.lock]	2m 17s
test (ubuntu-latest, lts/-1) / Tests [Node.js lts/-1, ubuntu-latest, Using yarn.lock]	1m 0s
test (windows-latest, lts/) / Tests [Node.js lts/, windows-latest, Using yarn.lock]	2m 5s
test (macos-latest, lts/-1) / Tests [Node.js lts/-1, macos-latest, Using yarn.lock]	46s
Deploy	0s
	16m 30s

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