ci: fix pod cache (#37)

Author: pinpong

.github/workflows/pull_request.yml

@@ -110,7 +110,7 @@ jobs:
         uses: actions/cache@v4.2.4
         with:
           path: example/ios/Pods
-          key: ${{ runner.os }}-pods-${{ hashFiles('example/ios/Podfile.lock')}}
+          key: ${{ runner.os }}-pods-${{ hashFiles('example/ios/Podfile', 'example/ios/Podfile.lock', 'example/package.json') }}
           restore-keys: |
             ${{ runner.os }}-pods-