Bump dart-lang/setup-dart from 1.6.2 to 1.6.4 #355

Job	Run time
analyze_and_format; linux; Dart 3.0.0; PKGS: pkgs/shelf, pkgs/shelf_packages_handler, pkgs/shelf_...	39s
mono_repo self validate	17s
analyze_and_format; linux; Dart dev; PKGS: pkgs/shelf, pkgs/shelf_packages_handler, pkgs/shelf_pr...	35s
analyze_and_format; linux; Dart dev; PKGS: pkgs/shelf, pkgs/shelf_packages_handler, pkgs/shelf_pr...	27s
unit_test; linux; Dart dev; PKGS: pkgs/shelf, pkgs/shelf_test_handler; `dart test --test-randomiz...	42s
unit_test; linux; Dart dev; PKGS: pkgs/shelf, pkgs/shelf_packages_handler, pkgs/shelf_proxy, pkgs...	1m 13s
unit_test; linux; Dart 3.0.0; PKGS: pkgs/shelf, pkgs/shelf_packages_handler, pkgs/shelf_proxy, pk...	1m 51s
unit_test; linux; Dart dev; PKGS: pkgs/shelf, pkgs/shelf_test_handler; `dart test --test-randomiz...	1m 36s
unit_test; linux; Dart 3.0.0; PKGS: pkgs/shelf, pkgs/shelf_test_handler; `dart test --test-random...	1m 37s
unit_test; linux; Dart dev; PKG: pkgs/shelf_router_generator; `dart test --run-skipped -t presubm...	45s
unit_test; windows; Dart 3.0.0; PKGS: pkgs/shelf, pkgs/shelf_test_handler; `dart test --test-rand...	2m 20s
unit_test; windows; Dart 3.0.0; PKGS: pkgs/shelf_packages_handler, pkgs/shelf_static, pkgs/shelf_...	1m 15s
unit_test; windows; Dart dev; PKGS: pkgs/shelf, pkgs/shelf_test_handler; `dart test --test-random...	2m 2s
unit_test; windows; Dart dev; PKGS: pkgs/shelf_packages_handler, pkgs/shelf_static, pkgs/shelf_te...	1m 3s
	16m 22s

Provide feedback