Improve treeshakeability of build artifacts #1066

Job	Run time
Build and run test Suite	40s
Check package config with are-the-types-wrong (20.x)	13s
Test Published Artifact cra4	1m 7s
Test Published Artifact cra5	1m 27s
Test Published Artifact (Local) rr-rsc-context	45s
Run local tests against build artifact (20.x)	30s
Test Published Artifact next	1m 6s
Test Types with TypeScript 4.7	38s
Test Published Artifact vite	54s
Test Types with TypeScript 4.8	35s
Test Published Artifact node-standard	15s
Test Types with TypeScript 4.9	34s
Test Published Artifact node-esm	15s
Test Types with TypeScript 5.0	35s
Test Published Artifact react-native	1m 11s
Test Types with TypeScript 5.1	31s
Test Published Artifact expo	1m 1s
Test Types with TypeScript 5.2	32s
Test Types with TypeScript 5.3	30s
Test Types with TypeScript 5.4	29s
Test Types with TypeScript 5.5	29s
	14m 17s

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