[kubernetes] Add hashes for kubernetes 1.29.7, 1.28.[11-12]

[mzaian]

What type of PR is this?

/kind feature

What this PR does / why we need it:
Upgrade kubernetes versions
Add hashes for kubernetes 1.29.7, 1.28.[11-12]

Does this PR introduce a user-facing change?:

Add hashes for kubernetes 1.29.7, 1.28.[11-12]

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: mzaian

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• OWNERS [mzaian]

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[mzaian]

/ok-to-test

[yankay]

/lgtm

[mzaian]

/cherrypick release-2.25

[k8s-infra-cherrypick-robot]

@mzaian: #11407 failed to apply on top of branch "release-2.25":

Applying: Add hashes for kubernetes 1.29.7, 1.28.[11-12]
Using index info to reconstruct a base tree...
M	roles/kubespray-defaults/defaults/main/checksums.yml
Falling back to patching base and 3-way merge...
Auto-merging roles/kubespray-defaults/defaults/main/checksums.yml
CONFLICT (content): Merge conflict in roles/kubespray-defaults/defaults/main/checksums.yml
error: Failed to merge in the changes.
hint: Use 'git am --show-current-patch=diff' to see the failed patch
Patch failed at 0001 Add hashes for kubernetes 1.29.7, 1.28.[11-12]
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:

/cherrypick release-2.25

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