Update, simplify and remove redundant steps in CI config

[chrisdoherty4]

• Update action version for every action
• Remove superfluous steps such as setting up QEMU
• Reference the same Go version throughout

[codecov]

Codecov Report

Merging #657 (d71138b) into main (1186b49) will not change coverage.
The diff coverage is n/a.

❗ Current head d71138b differs from pull request most recent head fef491a. Consider uploading reports for the commit fef491a to get more accurate results

@@           Coverage Diff           @@
##             main     #657   +/-   ##
=======================================
  Coverage   50.45%   50.45%           
=======================================
  Files          20       20           
  Lines         995      995           
=======================================
  Hits          502      502           
  Misses        487      487           
  Partials        6        6           

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[jacobweinstock]

dont we need qemu for Docker multi-arch builds?

[chrisdoherty4]

Nope. I think this is a relic of when multi-arch builds included binary compilation. The system now cross compiles the binaries in an earlier job. docker build doesn't need QEMU to build arch specific images.

[jacobweinstock]

@mergify queue

[mergify]

Sorry but this command cannot run when the configuration is updated