update go module path /v2

[bwagner5]

Issue #, if available:
golang/go#35732

Description of changes:

• add /v2 to go module path

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[codecov-commenter]

Codecov Report

Merging #45 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #45   +/-   ##
=======================================
  Coverage   88.61%   88.61%           
=======================================
  Files           9        9           
  Lines        1063     1063           
=======================================
  Hits          942      942           
  Misses         87       87           
  Partials       34       34           

Impacted Files	Coverage Δ
pkg/cli/cli.go	86.00% <ø> (ø)
pkg/cli/flags.go	87.70% <ø> (ø)
pkg/cli/types.go	95.23% <ø> (ø)
pkg/selector/aggregates.go	92.45% <ø> (ø)
pkg/selector/selector.go	82.89% <ø> (ø)
pkg/selector/types.go	100.00% <ø> (ø)

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[haugenj]

👍