feat: upgrade CLI to 13.6.8

[szymonrybczak]

Summary:

New version contains a fix for not executing packages/react-native/cli.js file: react-native-community/cli#2389.

Changelog:

[GENERAL] [CHANGED] - Upgrade @react-native-community/cli to 13.6.8

Test Plan:

CLI should be executed through packages/react-native/cli.js.

[analysis-bot]

Platform	Engine	Arch	Size (bytes)	Diff
android	hermes	arm64-v8a	17,837,001	-1,739,614
android	hermes	armeabi-v7a	n/a	--
android	hermes	x86	n/a	--
android	hermes	x86_64	n/a	--
android	jsc	arm64-v8a	21,195,194	-1,750,977
android	jsc	armeabi-v7a	n/a	--
android	jsc	x86	n/a	--
android	jsc	x86_64	n/a	--

Base commit: 31d6ed1
Branch: main