feat: compile to riscv64

[caarlos0]

closes #2012

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[codecov]

Codecov Report

Merging #2016 (f3f312c) into master (b8b0b02) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master    #2016   +/-   ##
=======================================
  Coverage   82.92%   82.92%           
=======================================
  Files          74       74           
  Lines        3989     3989           
=======================================
  Hits         3308     3308           
  Misses        555      555           
  Partials      126      126           

Impacted Files	Coverage Δ
internal/builders/golang/targets.go	100.00% <ø> (ø)
cmd/build.go	100.00% <100.00%> (ø)
cmd/release.go	100.00% <100.00%> (ø)

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[github-actions]

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