feat: Add client-body-buffer-size directive to NIC Ingress Annotations, Configmap, VirtualServer

[AlexFenlon]

Proposed changes

Adds the nginx directive client-body-buffer-size to NIC for parity for ingress-nginx

• Configmap value
• Ingress Annotation
• VirtualServer Value

Updates the list in the ingress-nginx annoatation list.

related PRs: nginx/kubernetes-ingress#8548, nginx/kubernetes-ingress#8557

Checklist

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Footnotes

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