Bump golang and kind version

[ReToCode]

Changes

• Bumps golang to version 1.21
• Bumps kind version range from 1.26-1.28
• Bump k8s.io golang deps to latest 1.26 version

Fixes #538

Depends on chainguard-dev/actions#321

[codecov]

Codecov Report

Merging #541 (003d95d) into main (b19edf4) will increase coverage by 0.29%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##             main     #541      +/-   ##
==========================================
+ Coverage   72.47%   72.76%   +0.29%     
==========================================
  Files           9        9              
  Lines         683      683              
==========================================
+ Hits          495      497       +2     
+ Misses        159      157       -2     
  Partials       29       29              

Files Changed	Coverage Δ
...kg/reconciler/ingress/resources/reference_grant.go	0.00% <0.00%> (ø)

... and 1 file with indirect coverage changes

[dprotaso]

/retest
/lgtm
/approve

[ReToCode]

/retest

[nak3]

/lgtm
/approve

[knative-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: dprotaso, nak3, ReToCode

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[nak3]

/override "codecov/patch"

[knative-prow]

@nak3: nak3 unauthorized: /override is restricted to Repo administrators.

In response to this:

/override "codecov/patch"

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[ReToCode]

@dprotaso mind helping out here?

[dprotaso]

/override "codecov/patch"

[knative-prow]

@dprotaso: Overrode contexts on behalf of dprotaso: codecov/patch

In response to this:

/override "codecov/patch"

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.