Inject Execution Debug Message

[mpass99]

for measuring the performance of the until loop of the stderr connection.

Closes #442

Accidentally, I pushed this commit directly to main.
In response, I reverted that commit on main and enabled the branch protection rule Do not allow bypassing the above settings.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (64412e1) 75.39% compared to head (983ffe8) 75.40%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #507   +/-   ##
=======================================
  Coverage   75.39%   75.40%           
=======================================
  Files          39       39           
  Lines        3825     3826    +1     
=======================================
+ Hits         2884     2885    +1     
  Misses        754      754           
  Partials      187      187           

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[MrSerth]

Many thanks for adding the debug statement and enabling the rule. Otherwise, just adding this one line would have been fine for me as well ;)