V1.27.5.6 release

Closes %Seventh release

1. New features/functions:
   • New CLI command were implemented - !291 (merged):
     • clive process proxy clear
     • clive process proxy set
     • clive process vote-witness
       • add
       • remove
     • clive process vote-proposal
       • add
       • remove
     • clive show proxy
     • clive show witnesses
     • clive show witness
     • clive show proposals
     • clive show proposal
2. Functional improvements:
   • Bumped TUI framework (textual) version - significant speedup in screen building (CSS parsing) - !274 (merged)
   • Proposals TUI screen will automatically create multiple operations when requested to change more than 5 proposals - #120 (closed)
   • Footer bindings fit improved by hiding some of the global bindings - #130 (closed)
   • Show global help instead of context one on the onboarding welcome screen - !288 (merged)
   • Less strict profile name validation - #119 (closed)
3. Bugfixes:
   • Fixed issues with beekeeper notifications - !283 (merged)
   • Fix crash when invalid account name was given - #126 (closed)
   • Fixed witness details / pending transfers flicker issues - !287 (merged)
   • Improved mechanism used to determine next request_id for transfer from savings operation - !287 (merged)
   • Fix showing the same error notification twice - !296 (1d4efe0a)
   • Fix savings screen data loading issue - !296 (b8963e47)
   • Improved proxy screen - !294 (merged)
4. Internal:
   • Governance improvements - #118 (closed)
   • TUI transfer tests - !272 (merged)