fix: allows access to dex metrics from any pod

[alexmt]

Signed-off-by: Alexander Matyushentsev [email protected]

Closes: #6407

Dex exposes metrics on port 5558. Opening it by default to any pod

[jannfis]

LGTM!

[codecov]

Codecov Report

Merging #6420 (6f5e5d3) into master (e44fa43) will increase coverage by 0.09%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #6420      +/-   ##
==========================================
+ Coverage   40.91%   41.01%   +0.09%     
==========================================
  Files         152      152              
  Lines       20044    20088      +44     
==========================================
+ Hits         8201     8239      +38     
  Misses      10716    10716              
- Partials     1127     1133       +6     

Impacted Files	Coverage Δ
util/argo/normalizers/diff_normalizer.go	76.47% <0.00%> (-0.81%)	⬇️
pkg/apis/application/v1alpha1/types.go	58.07% <0.00%> (ø)
reposerver/repository/repository.go	60.85% <0.00%> (+0.09%)	⬆️
controller/appcontroller.go	53.27% <0.00%> (+0.22%)	⬆️
util/helm/cmd.go	29.81% <0.00%> (+1.24%)	⬆️

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