Docker don't provide posibilities to avoid trash

There is no posibility to exclude part of "pre-installed" files from
COPY step like moby/buildkit#2853
And copy-paste mostly all `site-packages` without it is not worth it

.github/.dive-ci.yaml

@@ -1,13 +1,13 @@
 rules:
   # If the efficiency is measured below X%, mark as failed.
   # Expressed as a ratio between 0-1.
-  lowestEfficiency: 0.99
+  lowestEfficiency: 0.987
 
   # If the amount of wasted space is at least X or larger than X, mark as failed.
   # Expressed in B, KB, MB, and GB.
-  highestWastedBytes: 12MB
+  highestWastedBytes: 21MB
 
   # If the amount of wasted space makes up for X% or more of the image, mark as failed.
   # Note: the base image layer is NOT included in the total image size.
   # Expressed as a ratio between 0-1; fails if the threshold is met or crossed.
-  highestUserWastedPercent: 0.02
+  highestUserWastedPercent: 0.025