v3.7.1

Changes:

• Remove the use of chalk (logger) for less overall dependencies
• string* utilities now also allows String (class) inputs
• Align bip39 use with wasm-crypto for English-only wordlist, default, non supplied)
• Adjust elliptic imports for explicit paths (allows tree-shaking)
• Add Totem (ss58 prefix 14) into @polkadot/networks
• Move @polkadot/x-{fetch,textdecoder,textencoder,ws} into common repo