Support runtime schema validation on the web #2959

Job	Run time
setup / Get and cache Dart dependencies	36s
setup / Compile sqlite3 for tests (ubuntu-latest)	12s
setup / Compile sqlite3 for tests (macos-latest)	11s
setup / Compile sqlite3 for tests (windows-latest)	12s
drift package	2m 7s
Integration tests for migration tooling	1m 6s
drift_dev	6m 30s
Documentation	4m 33s
Integration tests	2m 44s
sqlparser	37s
test_flutter (3.24)	2m 11s
Web integration tests	4m 7s
drift_web_ddc	3m 39s
Drift web unit tests, dart2wasm, chrome	3m 34s
Drift web unit tests, dart2wasm, firefox	4m 10s
	36m 29s

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