[native_assets_builder] Report dart sources as dependencies of hooks #1004

Job	Run time
build (ubuntu, stable, native_assets_builder, false)	5m 28s
build (ubuntu, stable, native_assets_cli, false)	1m 51s
build (ubuntu, stable, native_toolchain_c, false)	2m 7s
build (ubuntu, dev, native_assets_builder, false)	5m 22s
build (ubuntu, dev, native_assets_cli, false)	2m 21s
build (ubuntu, dev, native_toolchain_c, false)	1m 55s
build (macos, stable, native_assets_builder, false)	3m 55s
build (macos, stable, native_assets_cli, false)	1m 10s
build (macos, stable, native_toolchain_c, false)	1m 51s
build (macos, dev, native_assets_builder, false)	5m 52s
build (macos, dev, native_assets_cli, false)	1m 26s
build (macos, dev, native_toolchain_c, false)	1m 37s
build (windows, stable, native_assets_builder, false)	5m 19s
build (windows, stable, native_assets_cli, false)	2m 34s
build (windows, stable, native_toolchain_c, false)	4m 34s
build (windows, dev, native_assets_builder, false)	5m 24s
build (windows, dev, native_assets_cli, false)	3m 25s
build (windows, dev, native_toolchain_c, false)	4m 1s
coverage-finished	0s
	1h 0m 12s

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