KEP 2763: Ambient capabilities in Kubernetes (#2757)

* KEP 2763: Ambient capabilities in Kubernetes

* KEP 2763: Add use cases and polish

Signed-off-by: Alexey Perevalov <[email protected]>

* update prod-readiness yaml. Change beta to alpha.

* Minor formatting fixes.

* Delete 2763.yaml because merging provisionally.

* Update kep.yaml

* Update kep.yaml

Co-authored-by: Alexey Perevalov <[email protected]>

Author: vinayakankugoyal