Add upper case keys to the debug key handler (#45559)

Summary:
The CLI of Metro bundler only accepts key presses when the Caps Lock is off. This is somehow inconvenient because the developers might think the Metro bundler doesn't response when the Caps Lock is on.

## Changelog:

<!-- Help reviewers and the release process by writing your own changelog entry.

Pick one each for the category and type tags:

[ANDROID|GENERAL|IOS|INTERNAL] [BREAKING|ADDED|CHANGED|DEPRECATED|REMOVED|FIXED|SECURITY] - Message

For more details, see:
https://reactnative.dev/contributing/changelogs-in-pull-requests
-->

[GENERAL] [ADDED] - Add upper case keys to the debug key handler

Pull Request resolved: #45559

Test Plan: n/a

Reviewed By: huntie

Differential Revision: D60107316

Pulled By: dmytrorykun

fbshipit-source-id: 045dcd382d84c4781dff75a1ff913cd3ccc8d288

packages/community-cli-plugin/src/commands/start/attachKeyHandlers.js

@@ -44,7 +44,7 @@ export default function attachKeyHandlers({
   };
 
   const onPress = async (key: string) => {
-    switch (key) {
+    switch (key.toLowerCase()) {
       case 'r':
         logger.info('Reloading connected app(s)...');
         messageSocket.broadcast('reload', null);