Add two more Capabilities to be aligned with the latest apinext object

Author: mawilk90

linode_api4/objects/region.py

@@ -39,6 +39,7 @@ class Capability(StrEnum):
     lke_control_plane_acl = "LKE Network Access Control List (IP ACL)"
     aclb = "Akamai Cloud Load Balancer"
     support_ticket_severity = "Support Ticket Severity"
+    support_live_chat = "Support Live Chat"
     backups = "Backups"
     placement_group = "Placement Group"
     disk_encryption = "Disk Encryption"
@@ -58,6 +59,7 @@ class Capability(StrEnum):
     maintenance_policy = "Maintenance Policy"
     vpc_dual_stack = "VPC Dual Stack"
     vpc_ipv6_stack = "VPC IPv6 Stack"
+    vpc_custom_ipv4_ranges = "Custom VPC IPv4 Ranges"
     nlb = "Network LoadBalancer"
     natgateway = "NAT Gateway"
     lke_e_byovpc = "Kubernetes Enterprise BYO VPC"