fix: do not pass Authorization header when authMethod is none (#1566)

Author: rtrompier

packages/inference/src/providers/providerHelper.ts

@@ -115,7 +115,10 @@ export abstract class TaskProviderHelper {
 	 * Prepare the headers for the request
 	 */
 	prepareHeaders(params: HeaderParams, isBinary: boolean): Record<string, string> {
-		const headers: Record<string, string> = { Authorization: `Bearer ${params.accessToken}` };
+		const headers: Record<string, string> = {};
+		if (params.authMethod !== "none") {
+			headers["Authorization"] = `Bearer ${params.accessToken}`;
+		}
 		if (!isBinary) {
 			headers["Content-Type"] = "application/json";
 		}