KEP-3619: fix typo in the feature blog to be published on 2024-08-22

[everpeace]

Description

• This PR just fixes a typo in the KEP-3619 feature blog that will be published on 2024-08-22.
• This is a follow up PR for blog post for KEP-3619: Fine-grained SupplementalGroups control #46921

[everpeace]

@sftim @natalisucks @mbianchidev

I found a typo in my feature blog. Could you kindly review this tiny fix PR??? 🙇🙇 This feature blog is planned to be published on 2024-08-22.

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[a-mccarthy]

@everpeace thanks for opening this!

/lgtm

[k8s-ci-robot]

LGTM label has been added.

Git tree hash: ed1a02475309ff9dd5bb7215653e495798817692

[everpeace]

/assign @sftim

Could you kindly approve this PR? Thank you, in advance!

[sftim]

/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

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