Seencheck improvements

[NGTmeaty]

This should stop the panics from Seencheck failures as well as add retries. We do have additional work to do in #521 .

[codecov-commenter]

Codecov Report

❌ Patch coverage is 54.54545% with 5 lines in your changes missing coverage. Please review.
✅ Project coverage is 56.43%. Comparing base (73c7dde) to head (7ab7df9).
⚠️ Report is 41 commits behind head on main.

Files with missing lines	Patch %	Lines
internal/pkg/source/hq/hq.go	0.00%	3 Missing ⚠️
internal/pkg/controler/pipeline.go	0.00%	1 Missing ⚠️
internal/pkg/preprocessor/preprocessor.go	83.33%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #522      +/-   ##
==========================================
+ Coverage   56.37%   56.43%   +0.06%     
==========================================
  Files         131      131              
  Lines        6570     6577       +7     
==========================================
+ Hits         3704     3712       +8     
+ Misses       2491     2490       -1     
  Partials      375      375              

Flag	Coverage Δ
e2etests	42.01% <54.54%> (+0.07%)	⬆️
unittests	28.77% <0.00%> (-0.04%)	⬇️

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[willmhowes]

lgtm