Fix tests

Previously, most tests were using https://github.com and only the first was using https://github.example.com. As it happens, https://github.com works for all of them.

lib/codeql.test.js

@@ -22,7 +22,7 @@ const util = __importStar(require("./util"));
 testing_utils_1.setupTests(ava_1.default);
 const sampleApiDetails = {
     auth: "token",
-    url: "https://github.example.com",
+    url: "https://github.com",
 };
 ava_1.default("download codeql bundle cache", async (t) => {
     await util.withTmpDir(async (tmpDir) => {

src/codeql.test.ts

@@ -14,7 +14,7 @@ setupTests(test);
 
 const sampleApiDetails = {
   auth: "token",
-  url: "https://github.example.com",
+  url: "https://github.com",
 };
 
 test("download codeql bundle cache", async (t) => {