chore(deps-dev): bump the rncli group across 1 directory with 3 updates

Bumps the rncli group with 3 updates in the /example directory: [@react-native-community/cli](https://github.com/react-native-community/cli/tree/HEAD/packages/cli), [@react-native-community/cli-platform-android](https://github.com/react-native-community/cli/tree/HEAD/packages/platform-android) and [@react-native-community/cli-platform-ios](https://github.com/react-native-community/cli/tree/HEAD/packages/cli-platform-ios).


Updates `@react-native-community/cli` from 15.0.1 to 18.0.0
- [Release notes](https://github.com/react-native-community/cli/releases)
- [Changelog](https://github.com/react-native-community/cli/blob/main/packages/cli/CHANGELOG.md)
- [Commits](https://github.com/react-native-community/cli/commits/v18.0.0/packages/cli)

Updates `@react-native-community/cli-platform-android` from 15.0.1 to 18.0.0
- [Release notes](https://github.com/react-native-community/cli/releases)
- [Commits](https://github.com/react-native-community/cli/commits/v18.0.0/packages/platform-android)

Updates `@react-native-community/cli-platform-ios` from 15.0.1 to 18.0.0
- [Release notes](https://github.com/react-native-community/cli/releases)
- [Changelog](https://github.com/react-native-community/cli/blob/main/packages/cli-platform-ios/CHANGELOG.md)
- [Commits](https://github.com/react-native-community/cli/commits/v18.0.0/packages/cli-platform-ios)

---
updated-dependencies:
- dependency-name: "@react-native-community/cli"
  dependency-version: 18.0.0
  dependency-type: direct:development
  update-type: version-update:semver-major
  dependency-group: rncli
- dependency-name: "@react-native-community/cli-platform-android"
  dependency-version: 18.0.0
  dependency-type: direct:development
  update-type: version-update:semver-major
  dependency-group: rncli
- dependency-name: "@react-native-community/cli-platform-ios"
  dependency-version: 18.0.0
  dependency-type: direct:development
  update-type: version-update:semver-major
  dependency-group: rncli
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

example/package.json

@@ -36,9 +36,9 @@
     "@babel/plugin-proposal-decorators": "^7.20.5",
     "@babel/preset-env": "^7.25.4",
     "@babel/runtime": "^7.25.4",
-    "@react-native-community/cli": "15.0.1",
-    "@react-native-community/cli-platform-android": "15.0.1",
-    "@react-native-community/cli-platform-ios": "15.0.1",
+    "@react-native-community/cli": "20.0.2",
+    "@react-native-community/cli-platform-android": "20.0.2",
+    "@react-native-community/cli-platform-ios": "20.0.2",
     "@react-native/babel-preset": "0.78.0",
     "@react-native/eslint-config": "0.82.1",
     "@react-native/metro-config": "0.78.0",