64915 Prefer moreOrLessEquals over closeTo (cla: yes, f: cupertino, f: material design, framework)

64979 Expand Cupertino library comment (cla: yes, f: cupertino, framework, waiting for tree to go green)

64982 Update Gold for new endpoint (a: tests, cla: yes, framework, team, team: infra, waiting for tree to go green)

64984 Flutter stable framework 1.20.3 cherrypicks (a: internationalization, cla: yes, d: examples, engine, f: material design, framework, team, tool)

64990 Revert “Reland #61998 and update complex_layout ios files” (a: tests, cla: yes, framework, team)