build(go): update go to 1.19

[kissken]

PR Summary

[codecov-commenter]

Codecov Report

Merging #938 (3fe033b) into master (3b1bf55) will increase coverage by 0.00%.
Report is 1 commits behind head on master.
The diff coverage is 100.00%.

❗ Current head 3fe033b differs from pull request most recent head 2969e19. Consider uploading reports for the commit 2969e19 to get more accurate results

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@@           Coverage Diff           @@
##           master     #938   +/-   ##
=======================================
  Coverage   68.86%   68.87%           
=======================================
  Files         196      196           
  Lines       11026    11028    +2     
=======================================
+ Hits         7593     7595    +2     
  Misses       2986     2986           
  Partials      447      447           

Files	Coverage Δ
senders/mattermost/sender.go	86.56% <100.00%> (+0.20%)	⬆️

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[kissken]

/build

[github-actions]

Build and push Docker images with tag: 2023-10-18.fee4989

[github-actions]

Build and push Docker images with tag: 2023-10-18.fee4989