chore: drop support go 1.13

[ubogdan]

Describe the PR
Drop support for GO 1.13

Relation issue
None

Additional context
The pipeline is taking too long to run all 1.13-1.17 Linux and macOS tests.

[codecov]

Codecov Report

Merging #1069 (2c5c3aa) into master (47d0cd2) will not change coverage.
The diff coverage is n/a.

❗ Current head 2c5c3aa differs from pull request most recent head 591805d. Consider uploading reports for the commit 591805d to get more accurate results

@@           Coverage Diff           @@
##           master    #1069   +/-   ##
=======================================
  Coverage   94.21%   94.21%           
=======================================
  Files           9        9           
  Lines        2317     2317           
=======================================
  Hits         2183     2183           
  Misses         70       70           
  Partials       64       64           

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