Add missing columns to `gwctl get httproutes`

[gauravkghildiyal]

Currently some columns are missing from the gwctl get httproutes output. Fill the missing gap as per the latest required columns:

(Ref: https://deploy-preview-2723--kubernetes-sigs-gateway-api.netlify.app/geps/gep-2722/#output-formats)

[gauravkghildiyal]

/area gwctl

@jongwooo -- In case you were planning to take this up, feel free to assign it to your self.

[jongwooo]

/assign