remote/coordinator: fix typo

[jluebbe]

Replace runnning with running.

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 6 lines in your changes missing coverage. Please review.

Project coverage is 56.5%. Comparing base (b90ac44) to head (3d53eb8).
Report is 2 commits behind head on master.

✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
labgrid/remote/coordinator.py	0.0%	6 Missing ⚠️

Additional details and impacted files

@@          Coverage Diff           @@
##           master   #1550   +/-   ##
======================================
  Coverage    56.5%   56.5%           
======================================
  Files         168     168           
  Lines       13116   13116           
======================================
  Hits         7417    7417           
  Misses       5699    5699           

Flag	Coverage Δ
3.10	56.5% <0.0%> (ø)
3.11	56.5% <0.0%> (ø)
3.12	56.5% <0.0%> (ø)
3.13	56.5% <0.0%> (ø)
3.9	56.5% <0.0%> (ø)

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