Fix dependabot errors

I explicitly had to downgrade "@octokit/plugin-retry" to "^6.0.0". Other
dependencies were upgraded.

node_modules/@octokit/endpoint/dist-src/defaults.js

@@ -1,17 +1,17 @@
 import { getUserAgent } from "universal-user-agent";
-import { VERSION } from "./version";
+import { VERSION } from "./version.js";
 const userAgent = `octokit-endpoint.js/${VERSION} ${getUserAgent()}`;
-// DEFAULTS has all properties set that EndpointOptions has, except url.
-// So we use RequestParameters and add method as additional required property.
-export const DEFAULTS = {
-    method: "GET",
-    baseUrl: "https://api.github.com",
-    headers: {
-        accept: "application/vnd.github.v3+json",
-        "user-agent": userAgent,
-    },
-    mediaType: {
-        format: "",
-        previews: [],
-    },
+const DEFAULTS = {
+  method: "GET",
+  baseUrl: "https://api.github.com",
+  headers: {
+    accept: "application/vnd.github.v3+json",
+    "user-agent": userAgent
+  },
+  mediaType: {
+    format: ""
+  }
+};
+export {
+  DEFAULTS
 };