76433 Turn on desktop and web integration tests for beta and stable (a: desktop, cla: yes, team, waiting for tree to go green)

76436 Remove unused imports of system libraries. (cla: yes, tool, waiting for tree to go green)

76477 Remove deprecated author field in pubspec.yml templates (cla: yes, tool)

76493 Add menuMaxHeight for DropdownButton (cla: yes, f: material design, framework, waiting for tree to go green)

76511 Upgrade packages to pick up vm_snapshot_analysis fixes (cla: yes, team)

76532 [Fonts] Improve update_icons script (cla: yes, f: material design, framework, team)

76542 Add a EdgeInsetsDirectional.all constructor similar to EdgeInsets.all (cla: yes, framework, waiting for tree to go green)