Support other 3xx StatusCodes in HTTPRequestRedirectFilter

[wayne0814]

What would you like to be added: HTTPRequestRedirectFilter should allow other 3xx StatusCodes apart from 301 and 302, namely 303, 307 and 308.
https://github.com/kubernetes-sigs/gateway-api/blob/v1.4.0/apis/v1/httproute_types.go#L1273

Why this is needed:
The website says Gateway API supports the following HTTP redirect status codes: 301, 302, 303, 307, 308.
https://gateway-api.sigs.k8s.io/guides/http-redirect-rewrite/#supported-status-codes

[wayne0814]

Oh, just saw this PR. #3823
So the website is updated based on main branch, as opposed to the latest tag on the top right?

[youngnick]

Yes, that's right, unfortunately. We're working on making that easier to understand, but it looks like fixing it completely will require versioning the entire site, which is a lot of work.