Update Avi Kubernetes Operator (AKO) versions in the list of Gateway API implementations

[pkoshtavmware]

What type of PR is this?
/kind documentation

What this PR does / why we need it:
Avi Kubernetes Operator(AKO) 2.1.1 now supports Gateway API v1.3.0. This PR includes version changes and documentation link changes in the list of implementations for AKO

Which issue(s) this PR fixes:
Fixes #

Does this PR introduce a user-facing change?:

NONE

[k8s-ci-robot]

Hi @pkoshtavmware. Thanks for your PR.

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[shaneutt]

Congrats on your v2! 🎉

Links are working, looks good:

/approve
/lgtm

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: pkoshtavmware, shaneutt

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