contracts: batch compression ratios in fetch-batches task

[tynes]

Description
Makes it very easy to observe the compression ratio when using the hardhat task fetch-batches

[changeset-bot]

⚠️ No Changeset found

Latest commit: 7dc728b

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[codecov-commenter]

Codecov Report

Merging #2341 (7dc728b) into develop (2165fad) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff            @@
##           develop    #2341   +/-   ##
========================================
  Coverage    80.14%   80.14%           
========================================
  Files           77       77           
  Lines         2458     2458           
  Branches       450      450           
========================================
  Hits          1970     1970           
  Misses         488      488           

Flag	Coverage Δ
contracts	99.29% <ø> (ø)
core-utils	86.77% <ø> (ø)
data-transport-layer	49.72% <ø> (ø)
sdk	55.90% <ø> (ø)

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