DM-35508: fix not setting None value for number_of_retries in idds tasks

[wguanicedew]

Checklist

• ran Jenkins
• added a release note for user-visible changes to doc/changes

[codecov]

Codecov Report

Merging #13 (bf1e648) into main (16c11f7) will decrease coverage by 0.12%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##             main      #13      +/-   ##
==========================================
- Coverage   32.65%   32.53%   -0.13%     
==========================================
  Files           9        9              
  Lines         539      541       +2     
  Branches       91       92       +1     
==========================================
  Hits          176      176              
- Misses        360      362       +2     
  Partials        3        3              

Impacted Files	Coverage Δ
python/lsst/ctrl/bps/panda/idds_tasks.py	31.35% <0.00%> (-0.27%)	⬇️

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[timj]

Looks okay.