Prepare 1.8.9 release

node_modules/@octokit/graphql/dist-src/error.js

@@ -0,0 +1,15 @@
+export class GraphqlError extends Error {
+    constructor(request, response) {
+        const message = response.data.errors[0].message;
+        super(message);
+        Object.assign(this, response.data);
+        Object.assign(this, { headers: response.headers });
+        this.name = "GraphqlError";
+        this.request = request;
+        // Maintains proper stack trace (only available on V8)
+        /* istanbul ignore next */
+        if (Error.captureStackTrace) {
+            Error.captureStackTrace(this, this.constructor);
+        }
+    }
+}