refactor: replace axios with fetch API and update related types (#1666)

src/Utils/process-message.ts

@@ -1,4 +1,3 @@
-import type { AxiosRequestConfig } from 'axios'
 import { proto } from '../../WAProto/index.js'
 import type {
 	AuthenticationCreds,
@@ -28,7 +27,7 @@ type ProcessMessageContext = {
 	keyStore: SignalKeyStoreWithTransaction
 	ev: BaileysEventEmitter
 	logger?: ILogger
-	options: AxiosRequestConfig<{}>
+	options: RequestInit
 	signalRepository: SignalRepositoryWithLIDStore
 }