Upgrade kubernetes dependencies to v1.26

[tenzen-y]

What this PR does / why we need it:
I upgraded kubernetes dependencies to v1.26.

Which issue(s) this PR fixes (optional, in Fixes #<issue number>, #<issue number>, ... format, will close the issue(s) when PR gets merged):
Part-of #1803

Checklist:

• Docs included if any changes are user facing

[tenzen-y]

blocked on #1818

[coveralls]

Pull Request Test Coverage Report for Build 5133950363

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 11 unchanged lines in 2 files lost coverage.
• Overall coverage increased (+0.02%) to 33.882%

---

Files with Coverage Reduction	New Missed Lines	%
pkg/controller.v1/mpi/mpijob_controller.go	2	77.22%
pkg/controller.v1/pytorch/pytorchjob_controller.go	9	58.19%

Totals
Change from base Build 5133911112:	0.02%
Covered Lines:	3333
Relevant Lines:	9837

---

💛 - Coveralls

[tenzen-y]

These are new flaky tests... Since those cases work well on my local :(

[johnugeorge]

Somehow, these flaky tests were not seen earlier.

[johnugeorge]

/lgtm
/approve

[google-oss-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: johnugeorge, tenzen-y

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[tenzen-y]

Somehow, these flaky tests were not seen earlier.

Uhm... I will investigate the root cause.

[tenzen-y]

Created: #1820 #1821 #1822