Go 1.21, default.pgo, alpine + ubuntu-22.04/20.04 images

[vadimalekseev]

Fixes #468

[codecov]

Codecov Report

Patch coverage: 89.56% and project coverage change: -0.09% ⚠️

Comparison is base (8ad98c9) 67.90% compared to head (ae7a6c0) 67.81%.
Report is 7 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #469      +/-   ##
==========================================
- Coverage   67.90%   67.81%   -0.09%     
==========================================
  Files         104      104              
  Lines       10551    10565      +14     
==========================================
  Hits         7165     7165              
- Misses       2926     2935       +9     
- Partials      460      465       +5     

Files Changed	Coverage Δ
pipeline/antispam/antispammer.go	58.92% <ø> (+1.78%)	⬆️
pipeline/pipeline.go	62.74% <ø> (-1.99%)	⬇️
cfg/matchrule/matchrule.go	74.13% <82.35%> (-2.79%)	⬇️
cfg/config.go	71.21% <83.33%> (+0.29%)	⬆️
plugin/action/throttle/limiters_map.go	89.24% <90.00%> (+0.06%)	⬆️
e2e/file_clickhouse/clickhouse_file.go	100.00% <100.00%> (ø)
fd/util.go	66.43% <100.00%> (+0.46%)	⬆️
plugin/action/mask/mask.go	86.91% <100.00%> (+0.11%)	⬆️
plugin/action/throttle/throttle.go	88.03% <100.00%> (ø)

... and 5 files with indirect coverage changes

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