Use net.SplitHostPort for IPv6 support

[rakyll]

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[codecov]

Codecov Report

Merging #2154 (4b4bf4d) into master (3e3b201) will decrease coverage by 0.00%.
The diff coverage is 33.33%.

@@            Coverage Diff             @@
##           master    #2154      +/-   ##
==========================================
- Coverage   92.19%   92.19%   -0.01%     
==========================================
  Files         280      280              
  Lines       16981    16980       -1     
==========================================
- Hits        15655    15654       -1     
  Misses        908      908              
  Partials      418      418              

Impacted Files	Coverage Δ
...eceiver/prometheusreceiver/internal/transaction.go	90.69% <33.33%> (-2.41%)	⬇️
translator/internaldata/resource_to_oc.go	91.54% <0.00%> (+2.81%)	⬆️

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[rakyll]

Friendly ping.