Typescript: type for public and private keys switched

[aryzing]

What version of Stacks.js are you using?

transactions 7.0.3

Describe the bug

Seems the types for public and private keys have been switched in this section of the code

stacks.js/packages/transactions/src/builders.ts

Lines 428 to 434 in 2cf886b

	export interface UnsignedContractCallOptions extends ContractCallOptions {
	publicKey: PrivateKey;
	}
	export interface SignedContractCallOptions extends ContractCallOptions {
	senderKey: PublicKey;
	}