Dep: Bumps Gateway API to v1.4.0

[danehans]

What type of PR is this?
/kind cleanup

What this PR does / why we need it:

Needed to support latest Gateway API release.

Which issue(s) this PR fixes:
N/A

Does this PR introduce a user-facing change?:

NONE

[k8s-ci-robot]

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[nirrozenbaum]

once the tests failures are fixed I'm happy to stamp.

[nirrozenbaum]

If I remember correctly I think I've seen in one of the slack thread where @aslakknutsen wrote GIE is incompatible with Gateway API v1.4.0. @aslakknutsen I'd be happy if you can chime in if you have more information about that.

[aslakknutsen]

@nirrozenbaum This is was the main issue; https://github.com/kubernetes-sigs/gateway-api-inference-extension/pull/1691/files#diff-31af5d0f8d06f9d6bf0acf99812d75a36b81d883b0797229e095b6c98c16384bR177

Not so much incompatible with 1.4.0 as Gateway API having no guarantee as to the stability of their test framework which is used by GIE as well.

The other one I ran into was the TypeChecker from client-go fixed here 6198b57#diff-03a922bcf42cd06aedba074efb878fe4564184a9bdfcb70f127c0aad76997fedL81

[danehans]

Note that commit 1f6a95a was added since the controller-runtime fake client in v0.22.1 no longer guarantees that TypeMeta (APIVersion, Kind) is populated on objects it returns.

[nirrozenbaum]

/lgtm

Thanks!