refactor: improve logging in src/proxy/processors, remove log-related stubs/spies in tests

[jescalada]

Fixes #1281, supersedes #1338

Also improves wording and log handling in general, and fixes log stubs in tests.

[netlify]

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🔨 Latest commit	c6c703e
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[codecov]

Codecov Report

❌ Patch coverage is 79.78723% with 19 lines in your changes missing coverage. Please review.
✅ Project coverage is 89.66%. Comparing base (d65c9b8) to head (c6c703e).
⚠️ Report is 11 commits behind head on main.

Files with missing lines	Patch %	Lines
src/config/ConfigLoader.ts	57.14%	3 Missing ⚠️
src/config/index.ts	40.00%	3 Missing ⚠️
src/db/file/users.ts	33.33%	2 Missing ⚠️
src/service/passport/activeDirectory.ts	50.00%	2 Missing ⚠️
src/service/passport/oidc.ts	50.00%	2 Missing ⚠️
src/service/routes/auth.ts	50.00%	2 Missing ⚠️
src/db/file/pushes.ts	50.00%	1 Missing ⚠️
src/db/file/repo.ts	50.00%	1 Missing ⚠️
src/plugin.ts	50.00%	1 Missing ⚠️
src/service/routes/repo.ts	87.50%	1 Missing ⚠️
... and 1 more

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1448      +/-   ##
==========================================
- Coverage   89.71%   89.66%   -0.05%     
==========================================
  Files          68       68              
  Lines        4880     4869      -11     
  Branches      888      888              
==========================================
- Hits         4378     4366      -12     
- Misses        484      485       +1     
  Partials       18       18              

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[jescalada]

@kriswest I reimplemented #1338 in case we want to get the rc5 out ASAP. Only this and the any/as PR (#1323) remain! 👍🏼

[re-vlad]

just couple non-blocking comments

[andypols]

LGTM - @jescalada I think we merge this in if you can resolve the conversation.

[andypols]

LGTM

[jescalada]

Thanks! Will get the rc5 PR out in a second for our final round of testing before v2 🚀