chore(ci): fix builds failing due to outdated action

Author: hannojg

.github/workflows/build-android.yml

@@ -25,7 +25,7 @@ jobs:
     name: Build Android Example App
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Setup JDK 17
         uses: actions/setup-java@v1

.github/workflows/build-ios.yml

@@ -26,7 +26,7 @@ jobs:
       run:
         working-directory: example/ios
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Get yarn cache directory path
         id: yarn-cache-dir-path