Update dataclass.md #2960

Job	Run time
setup / Get and cache Dart dependencies	30s
setup / Compile sqlite3 for tests (ubuntu-latest)	12s
setup / Compile sqlite3 for tests (macos-latest)	10s
setup / Compile sqlite3 for tests (windows-latest)	13s
drift_dev	6m 20s
drift package	2m 5s
Integration tests for migration tooling	1m 15s
Documentation	4m 31s
Integration tests	2m 52s
sqlparser	42s
test_flutter (3.24)	2m 2s
Web integration tests	3m 56s
Drift web unit tests, dart2wasm, chrome	3m 40s
drift_web_ddc	3m 51s
Drift web unit tests, dart2wasm, firefox	4m 2s
	36m 21s

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