add sendTimeout and receiveTimeout in Http2Adapter #574

Job	Run time
Check formatting (dio)	12s
Check formatting (example)	11s
Check formatting (example_flutter_app)	10s
Check formatting (plugins/cookie_manager)	14s
Check formatting (plugins/http2_adapter)	12s
Check formatting (plugins/native_dio_adapter)	13s
Analyze Flutter libraries (example_flutter_app)	31s
Analyze Flutter libraries (plugins/native_dio_adapter)	34s
Analyze Dart-only libraries (dio)	20s
Analyze Dart-only libraries (example)	19s
Analyze Dart-only libraries (plugins/cookie_manager)	18s
Analyze Dart-only libraries (plugins/http2_adapter)	20s
Run unit tests with plugins (2.15.0, plugins/cookie_manager)	27s
Run unit tests with plugins (2.15.0, plugins/http2_adapter)	1m 0s
Run unit tests with plugins (stable, plugins/cookie_manager)	34s
Run unit tests with plugins (stable, plugins/http2_adapter)	1m 1s
Run unit tests with plugins (beta, plugins/cookie_manager)	26s
Run unit tests with plugins (beta, plugins/http2_adapter)	1m 1s
Run unit tests with Flutter plugins (min, plugins/native_dio_adapter)	31s
Run unit tests with Flutter plugins (stable, plugins/native_dio_adapter)	35s
Run unit tests with Flutter plugins (beta, plugins/native_dio_adapter)	29s
Run unit tests with dio (2.15.0, vm)	1m 14s
Run unit tests with dio (2.15.0, chrome)	2m 59s
Run unit tests with dio (stable, vm)	1m 39s
Run unit tests with dio (stable, chrome)	2m 50s
Run unit tests with dio (beta, vm)	1m 9s
Run unit tests with dio (beta, chrome)	3m 15s
	22m 44s

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