update to spec 9390

[carlosala]

⚠️ THIS PR CONTAINS BREAKING CHANGES AND SHOULD BE MERGED ASAP ⚠️

This app supports specs 9370, 9380, and 9390

BREAKING CHANGES from spec 9370 to 9390 (supporting also 9380):

• xcmPallet: v0 and v1 has been deprecated in favour of v2 and v3
• nis.thaw: this method has been removed

Changes:

• staking, referenda, fellowshipCollective: add setMetadata method
• phragmenElection.vote: amount is now displayed as Balance instead of a regular u128
• proxy: methods createPure and killPure now support nesting
• nis: add 4 new methods
• nisCounterpartBalances: add 3 new methods
• xcmPallet: add support to teleportAssets and limitedTeleportAssets
  • Closes #181

Other changes:

• Update app icon
• Version some types to support xcm v0 and v1 in spec 9370
• Zemu tests are now concurrent
• Change build system to support Ledger unified sdk

:link: zboto Link