solana: upgrade @solana/spl-token when a new version is released that isn't broken

[kcsongor]

See

example-native-token-transfers/solana/ts/sdk/ntt.ts

Lines 974 to 980 in 29fb437

	/**
	* TODO: this is copied from @solana/spl-token, because the most recent released
	* version (0.4.3) is broken (does object equality instead of structural on the pubkey)
	*
	* this version fixes that error, looks like it's also fixed on main:
	* https://github.com/solana-labs/solana-program-library/blob/ad4eb6914c5e4288ad845f29f0003cd3b16243e7/token/js/src/extensions/transferHook/instructions.ts#L208
	*/