Upgrade go version to 1.16

[la3rence]

No description provided.

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[codecov]

Codecov Report

Merging #24 (0b29dd9) into main (08a2e32) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main      #24   +/-   ##
=======================================
  Coverage   95.00%   95.00%           
=======================================
  Files           1        1           
  Lines          20       20           
=======================================
  Hits           19       19           
  Misses          1        1           

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[la3rence]

/label dependencies
/label go
/approve
/lgtm

[k8s-ci-bot]

PR #24 was merged (with rebase). Thanks for your contribution.