v9.3.1

Contributed:

• Add Ledger support for Parallel (Thanks to https://github.com/carlosala)
• Add Ledger support for Astar & Polkadex (Thanks to https://github.com/carlosala)

Changes:

• Adjust u8aToU8a checks with better isU8a shortcut
• Adjust compact conversion with unrolled loops
• Adjust string{Camel, Pascal}Case with loop (no map)
• Add compactFromU8aLim variant with Uint8Array-only inputs
• Add u8aConcatStrict variant with Uint8Array-only inputs
• Internal code maintainability enhancements
• Upgrade dependencies to latest stable versions