92630 Migrate to process 4.2.4 (a: tests, team, tool, framework, cla: yes, waiting for tree to go green)

92733 Add the exported attribute to the Flutter Gallery manifest (team, cla: yes, waiting for tree to go green, integration_test)

92901 Exit on deprecated v1 embedding when trying to run or build (team, tool, a: accessibility, cla: yes, waiting for tree to go green, integration_test)

92924 Update packages (team, tool, cla: yes, waiting for tree to go green)

92932 Update docs to point to assets-for-api-docs cupertino css file  (team, cla: yes, f: cupertino, d: api docs, waiting for tree to go green, documentation)