72420 update cupertino icons to 1.0.2 (cla: yes, team, tool, will affect goldens)

72438 Revert “let NOTICES be double gzip wrapped to reduce on-disk installed space” (cla: yes, framework, team, tool)

72445 Enable remaining LUCI devicelab linux builders to flutter dashboard (cla: yes, team, waiting for tree to go green)

72455 remove flaky flag & disable devicelab tests (cla: yes, team, waiting for tree to go green)

72479 add doc for scroll_smoothness metrics (cla: yes, team, waiting for tree to go green)

72544 Fix bug in docs.dart (cla: yes, team)

72557 Create SECURITY.md (cla: yes, team)