Fix: Update KEYSTORE_FILE path in GitHub workflow

Author: eby-dev

.github/workflows/android.yml

@@ -9,7 +9,7 @@ on:
   workflow_dispatch:
 
 env:
-  KEYSTORE_FILE: keystore-qrbarcode.jks
+  KEYSTORE_FILE: app/keystore-qrbarcode.jks
   KEYSTORE_PASSWORD: ${{ secrets.KEYSTORE_PASSWORD }}
   KEY_ALIAS: ${{ secrets.KEY_ALIAS }}
   KEY_PASSWORD: ${{ secrets.KEY_PASSWORD }}