test: switched repository name in e2e create test (#1260)

## PR Checklist

- [x] Addresses an existing open issue: fixes #1259
- [x] That issue was marked as [`status: accepting
prs`](https://github.com/JoshuaKGoldberg/create-typescript-app/issues?q=is%3Aopen+is%3Aissue+label%3A%22status%3A+accepting+prs%22)
- [x] Steps in
[CONTRIBUTING.md](https://github.com/JoshuaKGoldberg/create-typescript-app/blob/main/.github/CONTRIBUTING.md)
were taken

## Overview

Swaps the name. Straightforward.

Author: JoshuaKGoldberg

script/create-test-e2e.js

@@ -5,7 +5,7 @@ import { rimraf } from "rimraf";
 const author = "Test Author";
 const description = "Test description.";
 const email = "test@email.com";
-const repository = "create-typescript-app";
+const repository = "testing-repository";
 const owner = "TestOwner";
 const title = "Test Title";