fix: body response

src/Curl/CurlClient.php

@@ -156,7 +156,7 @@ class CurlClient implements HttpClient {
 	 */
 	private function extractResponseHeadersAndBody() {
 		$rawBody    = $this->rawResponse;
-		$rawHeaders = implode( "\r\n", $this->headers );
+		$rawHeaders = \trim( implode( "\r\n", $this->headers ) );
 
 		return [ $rawHeaders, $rawBody ];
 	}