58069 Fix Linux plugin template build visibility (cla: yes, tool)

58094 Set upper limit on text scaling for AppBar.title (cla: yes, f: material design, framework, waiting for tree to go green)

58098 Added Documentation for AnimationController.repeat() (cla: yes, framework)

58104 Run flutter update-packages --force-upgrade. (cla: yes, team)

58111 Roll Engine from 1a8349888e97 to 2663be837081 (16 revisions) (cla: yes, waiting for tree to go green)

58112 Mark non-flaky test as such (cla: yes, team)

58117 Minor correction to documentation for buttonColor (cla: yes, d: api docs, f: material design, framework, waiting for tree to go green)