Add Warning about browser rendering when running locally #6303

Job	Run time
Checks	0s
Add PR to project	1s
Checks	5m 53s
Tests (macos-13, ./fixtures/*)	8m 14s
Tests (macos-13, ./packages/*)	8m 55s
Tests (ubuntu-latest, ./fixtures/*)	5m 23s
Tests (ubuntu-latest, ./packages/*)	5m 34s
Tests (ubuntu-latest, ./tools)	41s
Tests (windows-latest, ./fixtures/*)	12m 47s
Tests (windows-latest, ./packages/*)	8m 31s
	55m 59s

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