upgrade deps, fix some lint warnings

app/src/main/java/com/keylesspalace/tusky/view/ComposeOptionsView.kt

@@ -16,7 +16,6 @@
 package com.keylesspalace.tusky.view
 
 import android.content.Context
-import android.os.Build
 import android.util.AttributeSet
 import android.widget.LinearLayout
 import com.keylesspalace.tusky.R

app/src/main/java/com/keylesspalace/tusky/view/MediaPreviewImageView.kt

@@ -99,7 +99,7 @@ defStyleAttr: Int = 0
      * that the custom matrix of this image is initialized if a focus point is set.
      */
     override fun onSuccess() {
-        onSizeChanged(width, height, width, height);
+        onSizeChanged(width, height, width, height)
     }
 
     // We do not handle the error here, instead it will be handled higher up the call chain.