Update BGPPeer CRD to match v3.16 of Calico (#6881)

roles/network_plugin/calico/templates/kdd-crds.yml.j2

@@ -775,6 +775,12 @@ spec:
                 description: The AS Number of the peer.
                 format: int32
                 type: integer
+              keepOriginalNextHop:
+                description: Option to keep the original nexthop field when routes
+                  are sent to a BGP Peer. Setting "true" configures the selected BGP
+                  Peers node to use the "next hop keep;" instead of "next hop self;"(default)
+                  in the specific branch of the Node on "bird.cfg".
+                type: boolean
               node:
                 description: The node name identifying the Calico node instance that
                   is peering with this peer. If this is not set, this represents a
@@ -784,8 +790,35 @@ spec:
                 description: Selector for the nodes that should have this peering.  When
                   this is set, the Node field must be empty.
                 type: string
+              password:
+                description: Optional BGP password for the peerings generated by this
+                  BGPPeer resource.
+                properties:
+                  secretKeyRef:
+                    description: Selects a key of a secret in the node pod's namespace.
+                    properties:
+                      key:
+                        description: The key of the secret to select from.  Must be
+                          a valid secret key.
+                        type: string
+                      name:
+                        description: 'Name of the referent. More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names
+                          TODO: Add other useful fields. apiVersion, kind, uid?'
+                        type: string
+                      optional:
+                        description: Specify whether the Secret or its key must be
+                          defined
+                        type: boolean
+                    required:
+                    - key
+                    type: object
+                type: object
               peerIP:
-                description: The IP address of the peer.
+                description: The IP address of the peer followed by an optional port
+                  number to peer with. If port number is given, format should be `[<IPv6>]:port`
+                  or `<IPv4>:<port>` for IPv4. If optional port number is not set,
+                  and this peer IP and ASNumber belongs to a calico/node with ListenPort
+                  set in BGPConfiguration, then we use that port to peer.
                 type: string
               peerSelector:
                 description: Selector for the remote nodes to peer with.  When this