[go_router] Remove assert so that ShellRoute allows child ShellRoute (f…

…lutter#2625)

[go_router_builder] Bumps go_router version in example folder to v5.0…

….0 (flutter#2627)

[animations] optimize open container opacity usage (flutter#2626)

[go_router_builder] Support the latest pkg:analyzer (flutter#2622)

[pigeon] Documentation comments (flutter#2578)

[go_router] Go router v5 (flutter#2612)

Fix an issue where GoRoutes with only a redirect were disallowed. (fl…

…utter#2620)

[go_router_builder] Adds support for enhanced enums. (flutter#2395)

[go_router_builder] Adds support for enhanced enums. (flutter#2395)

[adaptive_scaffold] make `lints_core` happy. (flutter#2602)