update changelog files and a type

Author: Muhammad-Altabba

packages/web3-eth-contract/CHANGELOG.md

@@ -369,3 +369,7 @@ Documentation:
 ### Added
 
 -	Types `ContractDeploySend`, `ContractMethodSend` was added (#6883)
+
+### Fixed
+
+-	Fix an issue with smart contract function overloading (#6922)

packages/web3-types/CHANGELOG.md

@@ -189,4 +189,8 @@ Documentation:
 
 -   Type `FeeData` to be filled by `await web3.eth.calculateFeeData()` to be used with EIP-1559 transactions (#6795)
 
-## [Unreleased]
+## [Unreleased]
+
+### Added
+
+-   Added `signature` to type `AbiFunctionFragment` (#6922)

packages/web3-types/src/eth_abi_types.ts

@@ -111,7 +111,7 @@ export type AbiFunctionFragment = AbiBaseFragment & {
 	readonly constant?: boolean; // stateMutability == 'pure' or stateMutability == 'view'
 	readonly payable?: boolean; // stateMutability == 'payable'
 
-	readonly signature: string;
+	readonly signature?: string;
 };
 
 export type AbiFallbackFragment = AbiBaseFragment & {