Automated g4 rollback of changelist 207362952.

*** Reason for rollback ***

quiver v2.0.0 has not landed in google3 and is untested with angular_components.

*** Original change description ***

Update pkg:quiver dependency to support v2

***

PiperOrigin-RevId: 207406409

Author: nshahan

pubspec.yaml

@@ -22,5 +22,5 @@ dependencies:
   meta: ^1.0.4
   observable: ^0.22.1+3
   protobuf: ^0.9.0
-  quiver: '>=0.24.0 <3.30.0'
+  quiver: '>=0.24.0 <0.30.0'
   sass_builder: ^2.0.2