Revert "chore: update Ruby version to 3.2.2 in config.yml"

This reverts commit 8d4f2d6.

Author: OnestarLee

.circleci/config.yml

@@ -99,7 +99,7 @@ jobs:
           name: Install Ninja
           command: sudo apt-get update && sudo apt-get install -y ninja-build
       - ruby/install:
-          version: '3.2.2'
+          version: '2.7.6'
       - ruby/install-deps:
           key: v{{ .Environment.CACHE_VERSION }}-gems-android
           app-dir: ./sample/android