GPR authentication support

node_modules/@octokit/endpoint/dist-src/util/lowercase-keys.js

@@ -0,0 +1,9 @@
+export function lowercaseKeys(object) {
+    if (!object) {
+        return {};
+    }
+    return Object.keys(object).reduce((newObj, key) => {
+        newObj[key.toLowerCase()] = object[key];
+        return newObj;
+    }, {});
+}