Fix duplicate ci run check

[jasnell]

It appears there was a bug in the duplicate run checking. As evidenced here nodejs/node#65920 (comment) ... where there was a prior CI run that was detected but ignored, causing a new run to be started.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 57.86%. Comparing base (92bf51c) to head (e23a497).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1188      +/-   ##
==========================================
+ Coverage   57.81%   57.86%   +0.05%     
==========================================
  Files          53       53              
  Lines       10396    10397       +1     
==========================================
+ Hits         6010     6016       +6     
+ Misses       4386     4381       -5     

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