fix(git-node): add missing loop exit condition

[aduh95]

As it's currently written, if the commit is "clean" (i.e. contains only MD changes), the code stays in the while(true); loop until the user gives up.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 64.52%. Comparing base (254ebaa) to head (90a2417).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1101   +/-   ##
=======================================
  Coverage   64.52%   64.52%           
=======================================
  Files          45       45           
  Lines        7003     7003           
=======================================
  Hits         4519     4519           
  Misses       2484     2484           

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