Automate local figure collection for sharepoint upload

[damonbayer]

Closes #826

[codecov]

Codecov Report

❌ Patch coverage is 0% with 21 lines in your changes missing coverage. Please review.
✅ Project coverage is 42.78%. Comparing base (32c0230) to head (b73ebd2).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
pipelines/postprocess_forecast_batches.py	0.00%	20 Missing ⚠️
pipelines/azure_command_center.py	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #831      +/-   ##
==========================================
- Coverage   42.97%   42.78%   -0.20%     
==========================================
  Files          30       30              
  Lines        2883     2896      +13     
==========================================
  Hits         1239     1239              
- Misses       1644     1657      +13     

Flag	Coverage Δ
hewr	38.04% <ø> (ø)
pipelines	38.33% <0.00%> (-0.36%)	⬇️
pyrenew_hew	62.29% <ø> (ø)

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[dylanhmorris]

A few minor changes