bump k8s.io/client-go dep for discovery client fixes

[akalenyu]

What this PR does / why we need it:
k8s.io/client-go [v0.26.0, v0.26.3) was impacted by a regression in discovery client behavior,
see this issue for details.
We are probably not hitting this due to not testing 1.27 upstream yet, or don't have the custom metric endpoints that send these nils in the response. (Reproduces on OpenShift ECs for example)

Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged):
Fixes #

Special notes for your reviewer:

Release note:

BugFix: panic in /go/pkg/mod/k8s.io/client-go@v0.26.2/discovery/aggregated_discovery.go:88

[akalenyu]

/test pull-cdi-linter

[awels]

/lgtm
/approve
/cherrypick release-v1.57

[kubevirt-bot]

@awels: once the present PR merges, I will cherry-pick it on top of release-v1.57 in a new PR and assign it to you.

In response to this:

/lgtm
/approve
/cherrypick release-v1.57

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.

[kubevirt-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: awels

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[kubevirt-bot]

@awels: #2855 failed to apply on top of branch "release-v1.57":

Applying: bump k8s.io/client-go dep for discovery client fixes
Using index info to reconstruct a base tree...
M	go.mod
M	go.sum
M	vendor/modules.txt
Falling back to patching base and 3-way merge...
Auto-merging vendor/modules.txt
Auto-merging go.sum
CONFLICT (content): Merge conflict in go.sum
Auto-merging go.mod
error: Failed to merge in the changes.
hint: Use 'git am --show-current-patch=diff' to see the failed patch
Patch failed at 0001 bump k8s.io/client-go dep for discovery client fixes
When you have resolved this problem, run "git am --continue".
If you prefer to skip this patch, run "git am --skip" instead.
To restore the original branch and stop patching, run "git am --abort".

In response to this:

/lgtm
/approve
/cherrypick release-v1.57

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.