update ktlint to not log in autofix mode

[Velfi]

Fixes: #176

Reduce verbosity of ktlint logs to avoid:

• lengthy and noisy logs in case of failures
• slowdowns induced by debug logs

[codecov[bot]]

Codecov Report

Merging #177 (ef79cf6) into master (7fa2c3a) will not change coverage. The diff coverage is n/a.

@@            Coverage Diff            @@
##            master      #177   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           10        10           
  Lines          317       317           
=========================================
  Hits           317       317           

Impacted Files	Coverage Δ
...ormatters_pre_commit_hooks/pretty_format_kotlin.py	100.00% <ø> (ø)