use knative go setup action

[lkingland]

Keeps the Go version used by Knative projects in sync with each-other and tooling.

/kind cleanup

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 65.42%. Comparing base (6384d07) to head (f19341d).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2612      +/-   ##
==========================================
+ Coverage   64.13%   65.42%   +1.28%     
==========================================
  Files         130      130              
  Lines       15518    15518              
==========================================
+ Hits         9953    10152     +199     
+ Misses       4625     4389     -236     
- Partials      940      977      +37     

Flag	Coverage Δ
e2e-test	35.81% <ø> (ø)
e2e-test-oncluster	32.90% <ø> (+0.02%)	⬆️
e2e-test-oncluster-runtime	28.65% <ø> (?)
e2e-test-runtime-go	26.44% <ø> (?)
e2e-test-runtime-node	25.84% <ø> (?)
e2e-test-runtime-python	25.84% <ø> (?)
e2e-test-runtime-quarkus	25.97% <ø> (?)
e2e-test-runtime-rust	24.94% <ø> (?)
e2e-test-runtime-springboot	24.98% <ø> (?)
e2e-test-runtime-typescript	25.95% <ø> (?)
integration-tests	51.95% <ø> (+2.25%)	⬆️
unit-tests	50.93% <ø> (?)
unit-tests-macos-latest	?
unit-tests-ubuntu-latest	?
unit-tests-windows-latest	?

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[dprotaso]

/lgtm
/approve

there's a github warning about another outdated action - I'd suggest a follow up PR.

[knative-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: dprotaso, lkingland

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• OWNERS [dprotaso,lkingland]

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