Enable the @stylistic/ts/quotes eslint rule (#1850)

## Description:

Enable the `@stylistic/ts/quotes` eslint rule.

Fixes #1788

## Please complete the following:

- [x] I have added screenshots for all UI updates
- [x] I process any text displayed to the user through translateText()
and I've added it to the en.json file
- [x] I have added relevant tests to the test directory
- [x] I confirm I have thoroughly tested these changes and take full
responsibility for any bugs introduced

src/server/Server.ts

@@ -43,7 +43,7 @@ async function setupTunnels() {
   const domainToService = new Map<string, string>().set(
     config.subdomain(),
     // TODO: change to 3000 when we have a proper tunnel setup.
-    `http://localhost:80`,
+    "http://localhost:80",
   );
 
   for (let i = 0; i < config.numWorkers(); i++) {