✨ Bump KAL to pick up latest requiredfields linter, add Min/MaxLength to BootstrapToken

[sbueringer]

What this PR does / why we need it:

Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged):
Part of #10852

[sbueringer]

Let's backport this into release-1.11. I think this shouldn't break anyone. (also I think this field is very very rarely used)

/cherry-pick release-1.11

[k8s-infra-cherrypick-robot]

@sbueringer: once the present PR merges, I will cherry-pick it on top of release-1.11 in a new PR and assign it to you.

In response to this:

Let's backport this into release-1.11. I think this shouldn't break anyone

/cherry-pick release-1.11

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-sigs/prow repository.

[sbueringer]

/assign @sivchari @JoelSpeed

[sbueringer]

/test pull-cluster-api-e2e-main

[JoelSpeed]

/approve
/lgtm

[k8s-ci-robot]

LGTM label has been added.

Git tree hash: fc1b2cd01c9c3f0573e1c9b1533d21a7cdc52888

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: JoelSpeed

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[k8s-infra-cherrypick-robot]

@sbueringer: new pull request created: #12604

In response to this:

Let's backport this into release-1.11. I think this shouldn't break anyone. (also I think this field is very very rarely used)

/cherry-pick release-1.11

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-sigs/prow repository.