77424 archiveing -> archiving (cla: yes, tool, waiting for tree to go green)

77427 Declare NavigationRailDestination.label as non-nullable (cla: yes, f: material design, framework, waiting for tree to go green)

77428 Add iOS archive codesign test (cla: yes, platform-ios, team, waiting for tree to go green)

77432 [flutter_tools] remove most globals from resident web runner (cla: yes, tool, waiting for tree to go green)

77434 Enable unnecessary_await_in_return lint (a: tests, cla: yes, f: material design, framework, team, tool, waiting for tree to go green)

77454 Fix a legacy TODO (a: tests, cla: yes, framework, team, waiting for tree to go green)