Update minimum required Go version to 1.18

[pajlada]

Pull request checklist:

• CHANGELOG.md was updated, if applicable

Description

[codecov]

Codecov Report

Merging #348 (c710e85) into master (9369303) will not change coverage.
The diff coverage is 33.33%.

@@           Coverage Diff           @@
##           master     #348   +/-   ##
=======================================
  Coverage   48.91%   48.91%           
=======================================
  Files          98       98           
  Lines        3146     3146           
=======================================
  Hits         1539     1539           
  Misses       1565     1565           
  Partials       42       42           

Impacted Files	Coverage Δ
internal/resolvers/default/thumbnail_loader.go	27.11% <0.00%> (ø)
internal/resolvers/discord/invite_loader.go	0.00% <0.00%> (ø)
internal/resolvers/oembed/facebook.go	0.00% <0.00%> (ø)
internal/resolvers/supinic/track_loader.go	0.00% <0.00%> (ø)
internal/resolvers/betterttv/emote_loader.go	84.48% <100.00%> (ø)
internal/resolvers/oembed/initialize.go	56.25% <100.00%> (ø)

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[leon-richardt]

Shouldn't this have been mentioned as a breaking change in the changelog? At the time of writing, CHANGELOG.md still refers to 1.17 as the minimum supported version.

[pajlada]

Shouldn't this have been mentioned as a breaking change in the changelog? At the time of writing, CHANGELOG.md still refers to 1.17 as the minimum supported version.

Probably yeah, we'll probably move towards just having our readme state that we follow Golang's support scheme (i.e. always supporting the latest 2 releases)