83428 add AnimatedScale and AnimatedRotation widgets (severe: new feature, framework, a: animation, cla: yes, d: api docs, d: examples, waiting for tree to go green, documentation)

83635 [gradle] Unlock all configurations if a local engine is used (team, a: accessibility, cla: yes, d: examples, waiting for tree to go green)

83661 Remove unused SingleTickerProviderStateMixin from AnimatedSize  example (framework, a: animation, cla: yes, d: api docs, d: examples, waiting for tree to go green, documentation)

83744 Fixed large amount of spelling errors (a: tests, team, tool, framework, f: material design, a: accessibility, a: internationalization, cla: yes, f: cupertino, d: examples, waiting for tree to go green)