Unable to install. Conflicting with imagine extension

```
 Problem 1
    - Conclusion: remove yiisoft/yii2-imagine 2.3.0
    - Conclusion: don't install yiisoft/yii2-imagine 2.3.0
    - itstructure/yii2-multi-format-uploader 1.0.0 requires yiisoft/yii2-imagine ~2.1.0 -> satisfiable by yiisoft/yii2-imagine[2.1.0, 2.1.1].


```