chore(deps): update actions/upload-artifact action to v7

Author: renovate[bot]

.github/workflows/android.yml

@@ -25,7 +25,7 @@ jobs:
         run: ./gradlew testDebugUnitTest
 
       - name: Upload debug APK artifact
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v7
         with:
           name: wikireader-debug
           path: ./app/build/outputs/apk/debug/app-debug.apk