drone integ check jks b64

.drone.yml

@@ -72,7 +72,8 @@ steps:
         path: /root/.pub-cache
     commands:
       - echo $upload_jks_file_b64 > upload-keystore.jks.b64
-      - ls -l -h
+      - ls -l
+      - sha256sum upload-keystore.jks.b64
       - base64 --decode upload-keystore.jks.b64 > upload-keystore.jks
       - sed -i "s/%jks-password%/$upload_jks_pass/g" android/key.properties
       - flutter build appbundle