Bump CLI to 12.0.0-alpha.3 and Metro to 0.76.2 (#36948)

Summary:
This is follow up of Metro release 0.76.2 to Bump versions in RN.

Metro version: 0.76.2
Metro release notes: https://github.com/facebook/metro/releases/tag/v0.76.2
CLI Bump PR: react-native-community/cli#1910
CLI npm version: 12.0.0-alpha.3

Took changelog and testplan from facebook/react-native#36793

## Changelog:

[General][Fixed] - Bump CLI to 12.0.0-alpha.3 and Metro to 0.76.2

Pull Request resolved: facebook/react-native#36948

Test Plan: CircleCI

Reviewed By: huntie

Differential Revision: D45081058

Pulled By: jacdebug

fbshipit-source-id: 4c7b1004668ac30045577da54311bcab1a905ca9

Original-Commit: facebook/react-native@25709af

template/template/package.json

@@ -20,13 +20,12 @@
     "@react-native/eslint-config": "^0.73.0",
     "@react-native/metro-config": "^0.73.0",
     "@tsconfig/react-native": "^3.0.0",
-    "@types/metro-config": "^0.76.1",
     "@types/react": "^18.0.24",
     "@types/react-test-renderer": "^18.0.0",
     "babel-jest": "^29.2.1",
     "eslint": "^8.19.0",
     "jest": "^29.2.1",
-    "metro-react-native-babel-preset": "0.76.0",
+    "metro-react-native-babel-preset": "0.76.2",
     "prettier": "^2.4.1",
     "react-test-renderer": "18.2.0",
     "typescript": "4.8.4"