75549 Document that a CupertinoApp isn’t necessary for an iOS app (cla: yes, f: cupertino, framework, waiting for tree to go green)

75554 Fixed grammatical typo (cla: yes, framework)

75576 Allow callers to pump a root widget with no child (cla: yes, framework)

75603 Widen getText support for RichText with multiple text spans in driver (a: tests, cla: yes, framework, waiting for tree to go green)

75604 Reland #74722 (cla: yes, f: cupertino, f: material design, framework, waiting for tree to go green)

75614 Add RenderEditable keys listener back in attach() (cla: yes, framework, waiting for tree to go green)