feat(instance): adapt pnic creation to ipam workflow (scaleway#2096)

Co-authored-by: Laure-di <62625835+Laure-di@users.noreply.github.com>

Author: scaleway-bot

api/instance/v1/instance_sdk.go

@@ -2233,8 +2233,11 @@ type CreatePrivateNICRequest struct {
 // Tags: private NIC tags.
 Tags []string `json:"tags,omitempty"`
 
-// IPIDs: ip_ids defined from IPAM.
-IPIDs []string `json:"ip_ids,omitempty"`
+// Deprecated: IPIDs: ip_ids defined from IPAM.
+IPIDs *[]string `json:"ip_ids,omitempty"`
+
+// IpamIPIDs: UUID of IPAM ips, to be attached to the instance in the requested private network.
+IpamIPIDs []string `json:"ipam_ip_ids,omitempty"`
 }
 
 // CreatePrivateNICResponse: create private nic response.