feat: Upgrade to polkadot-stable2503

[cl0w5]

Checklist

• [x] polkadot-sdk patch for polkadot-stable2503-11: https://github.com/galacticcouncil/polkadot-sdk/compare/polkadot-stable2503-11...galacticcouncil:polkadot-sdk:polkadot-stable2503-11-patch
• [x] upgrade Hydration runtime
• [x] upgrade Hydration node
• [ ] upgrade tests
• [ ] upgrade benchmarks
• [x] switch to xcm v5
• [ ] migration for asset-registry MultiLocation -> Location (or VersionedLocation)
• [ ] switch to fork-aware tx pool
• [ ] rebenchmark the runtime

Testing

• [ ] claims
• [ ] offchain worker

Node operators

Add "--pool-type=fork-aware" to ARGs to enable the fork-aware transaction pool.

Migrations

• MigrateAssetRegistryToXcmV5
• pallet_xcm::migration::MigrateToLatestXcmVersion