Merge branch 'fix-blockly' into 'master'

fix build for de.sensebox.blockly

See merge request fdroid/fdroiddata!4781

metadata/de.sensebox.blockly.yml

@@ -28,6 +28,7 @@ Builds:
       - mkdir -p "$PWD/npm"
       - npm config set prefix "$PWD/npm"
       - export PATH="$PATH:$PWD/npm/bin"
+      - npm install -g ionic cordova
       - npm install
       - npm run android:build
       - cd platforms/android/app