- Bump CLI to ^6.0.0 (#31971)

Summary:
Upgrade CLI to the v6 stable. [Changelog](https://github.com/react-native-community/cli/releases/tag/v6.0.0)

## Changelog

<!-- Help reviewers and the release process by writing your own changelog entry. For an example, see:
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[General] [Fix] - Bump CLI to ^6.0.0

Pull Request resolved: #31971

Test Plan: cc kelset grabbou

Reviewed By: TheSavior

Differential Revision: D30158170

Pulled By: ShikaSD

fbshipit-source-id: 392e22cb112a830778149b4a2b4a19198facf42b

# Conflicts:
#	yarn.lock

Author: thymikee

package.json

@@ -85,9 +85,9 @@
   },
   "dependencies": {
     "@jest/create-cache-key-function": "^27.0.1",
-    "@react-native-community/cli": "^6.0.0-rc.0",
-    "@react-native-community/cli-platform-android": "^6.0.0-rc.0",
-    "@react-native-community/cli-platform-ios": "^6.0.0-rc.0",
+    "@react-native-community/cli": "^6.0.0",
+    "@react-native-community/cli-platform-android": "^6.0.0",
+    "@react-native-community/cli-platform-ios": "^6.0.0",
     "@react-native/assets": "1.0.0",
     "@react-native/normalize-color": "1.0.0",
     "@react-native/polyfills": "1.0.0",