Add minimal libdom for @babel/standalone #3015

Job	Run time
test262 - Prepare for running in parallel	0s
Build Babel Artifacts on Windows	1m 44s
Prepare Cache	26s
Test on Node.js Latest	2m 55s
Build Babel Artifacts	1m 17s
Test ESM version	2m 11s
Build Babel 8 Artifacts	5m 31s
Validate Yarn dependencies and constraints	27s
Test on Node.js (20)	1m 28s
Test on Node.js (18)	1m 46s
Third-party Parser Tests	1m 36s
Test on Node.js (16)	1m 43s
Test @babel/eslint-* with ESLint 7.5.0	31s
Test on Node.js (14)	1m 41s
Lint	4m 50s
Test on Node.js (12)	2m 1s
Test @babel/runtime integrations	6m 17s
Test on (windows-latest)	2m 13s
Test on Node.js (10)	2m 43s
Test on Node.js (8)	3m 17s
Test on (macos-latest)	1m 48s
Test @babel/eslint-* with ESLint 8.0.0	31s
test262	0s
Test on Node.js (6)	4m 37s
test262 - Analyze results	0s
Test Babel 8 breaking changes on (ubuntu-latest)	1m 38s
Test Babel 8 breaking changes on (windows-latest)	2m 49s
Test Babel 8 breaking changes on (macos-latest)	1m 41s
	57m 41s

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