ci: #92 Gets the original file name of the apk in build stage

.gitlab-ci.yml

@@ -36,7 +36,7 @@ build-android:
   script:
     - flutter build apk --dart-define=REQUEST_ENV=prod_env
     - VERSION_APK=$(/opt/android-sdk-linux/build-tools/30.0.3/aapt2 dump badging ${ANDROID_APK_PATH} | grep "versionName" | sed -e "s/.*versionName='//" -e "s/' .*//")
-    - FILENAME_APK=basename ${ANDROID_APK_PATH}
+    - FILENAME_APK=$(ls | grep 'apk')
     - echo "VERSION_APK=$VERSION_APK" > version.env
     - echo "FILENAME_APK=$FILENAME_APK" > version.env
   artifacts: