Log failed task

[SchrodingersGat]

• Notify staff users when a background task fails
• Useful for visibility on failed tasks (which can occur, but hard to discover)

TODO

• Get it working properly (currently throwing an inscrutable warning but not logging)
• Unit testing

[netlify]

✅ Deploy Preview for inventree-web-pui-preview canceled.

Name	Link
🔨 Latest commit	3753a75
🔍 Latest deploy log	https://app.netlify.com/sites/inventree-web-pui-preview/deploys/671a1e26d4c87600086eb6db

[codecov]

Codecov Report

Attention: Patch coverage is 85.18519% with 8 lines in your changes missing coverage. Please review.

Project coverage is 84.23%. Comparing base (3284727) to head (3753a75).
Report is 2 commits behind head on master.

Files with missing lines	Patch %	Lines
src/backend/InvenTree/InvenTree/models.py	80.00%	6 Missing ⚠️
src/backend/InvenTree/common/serializers.py	50.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #8333      +/-   ##
==========================================
- Coverage   84.33%   84.23%   -0.11%     
==========================================
  Files        1166     1166              
  Lines       52980    52992      +12     
  Branches     1946     1934      -12     
==========================================
- Hits        44682    44637      -45     
- Misses       7813     7874      +61     
+ Partials      485      481       -4     

Flag	Coverage Δ
backend	85.90% <85.18%> (+<0.01%)	⬆️

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