ci: Reduce build times by 40%

[pingsutw]

Tracking issue

NA

Why are the changes needed?

we didn't cache Go package in the CI

What changes were proposed in this pull request?

Upgrade setup-go to v4. V4 has enabled caching by default. https://github.blog/changelog/2023-03-24-github-actions-the-setup-go-action-now-enables-caching-by-default/

How was this patch tested?

CI

Setup process

Screenshots

Check all the applicable boxes

• [x] I updated the documentation accordingly.
• [x] All new and existing tests passed.
• [x] All commits are signed-off.

Related PRs

NA

Docs link

NA

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 61.08%. Comparing base (0a1c82c) to head (f848616). Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #5328   +/-   ##
=======================================
  Coverage   61.07%   61.08%           
=======================================
  Files         794      794           
  Lines       51203    51203           
=======================================
+ Hits        31271    31276    +5     
+ Misses      17049    17044    -5     
  Partials     2883     2883           

Flag	Coverage Δ
unittests-datacatalog	69.31% <ø> (ø)
unittests-flyteadmin	58.82% <ø> (+0.04%)	:arrow_up:
unittests-flytecopilot	17.79% <ø> (ø)
unittests-flytectl	68.30% <ø> (ø)
unittests-flyteidl	79.30% <ø> (ø)
unittests-flyteplugins	61.94% <ø> (ø)
unittests-flytepropeller	57.32% <ø> (ø)
unittests-flytestdlib	65.73% <ø> (-0.03%)	:arrow_down:

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[eapolinario]

Amazing. Thank you!