60632 Add locales for fil(filipino) and gsw(swiss german) to locale list, Fixes #60631 (a: internationalization, cla: yes, team, tool, waiting for tree to go green)

61114 [flutter_tools] add support for enable null safety asserts (cla: yes, team, tool)

61135 Add spaces between sentences in create –platforms help text (cla: yes, tool, waiting for tree to go green)

61139 [flutter_tools] remove globals from device manager, flutter tester (cla: yes, tool)

61140 Case insensitive check flavor names against Xcode schemes (cla: yes, platform-ios, t: xcode, team, tool)

61146 [flutter_tools] Unified analyze error log format (cla: yes, tool)