Fix GitHub warnings

[localvar]

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[codecov-commenter]

Codecov Report

Base: 73.21% // Head: 73.41% // Increases project coverage by +0.20% 🎉

Coverage data is based on head (23f3959) compared to base (d08528a).
Patch coverage: 77.69% of modified lines in pull request are covered.

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Additional details and impacted files

@@            Coverage Diff             @@
##             main     #931      +/-   ##
==========================================
+ Coverage   73.21%   73.41%   +0.20%     
==========================================
  Files         131      133       +2     
  Lines       15008    14760     -248     
==========================================
- Hits        10988    10836     -152     
+ Misses       3400     3300     -100     
- Partials      620      624       +4     

Impacted Files	Coverage Δ
pkg/cluster/cluster.go	59.57% <ø> (-1.59%)	⬇️
pkg/cluster/customdata/customdata.go	82.81% <ø> (ø)
pkg/common/utils.go	80.00% <ø> (ø)
pkg/filters/builder/builder.go	100.00% <ø> (ø)
pkg/filters/certextractor/certextractor.go	85.91% <ø> (ø)
pkg/filters/connectcontrol/connectcontrol.go	90.90% <ø> (ø)
pkg/filters/corsadaptor/corsadaptor.go	90.32% <ø> (ø)
pkg/filters/fallback/fallback.go	82.50% <ø> (ø)
pkg/filters/filters.go	67.34% <ø> (ø)
pkg/filters/headerlookup/headerlookup.go	86.01% <ø> (+1.39%)	⬆️
... and 83 more

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