bugfix for load_data put run timestamp in later

[ggmarshall]

No description provided.

[codecov]

Codecov Report

Attention: 1 lines in your changes are missing coverage. Please review.

Comparison is base (0b569e9) 22.79% compared to head (4155a0c) 22.79%.
Report is 3 commits behind head on main.

Files	Patch %	Lines
src/pygama/pargen/utils.py	0.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #555   +/-   ##
=======================================
  Coverage   22.79%   22.79%           
=======================================
  Files          42       42           
  Lines        8119     8119           
=======================================
  Hits         1851     1851           
  Misses       6268     6268           

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