Log Message:
terraform-provider-vultr: Update to 2.5.0

Upstream release notes:

v2.5.0
Enhancement:
 - resource/vultr_kubernetes: New resource that allows for deployment of VKE
   clusters 165
 - resource/vultr_kubernetes_node_pools: New resource that allows for
   deployment of node pools to existing VKE Cluster165

v2.4.2
Bug Fix:
 - resource/load_balancer: added missing region and ssl_redirect values from
   being set 163

v2.4.1
Enhancement:
 - resource/instance: increased default timeout for create/update from 20 to
   60 minutes 160

v2.4.0
Enhancement:
 - resource/instance: add marketplace support with image_id 150
 - resource/bare_metal: add marketplace support with image_id 150
 - datasource/applications: adds marketplace support 150
 - Add openBSD to builds 155
Bug Fix:
 - resource/bare_metal: fix importer 157
 - Doc updates 152 146 147
Dependency:
 - updated terraform-plugin-sdk to v2.6.0 -> v2.7.0 149
 - updated govultr to v2.5.1 -> v2.7.1 150

v2.3.3
Enhancement:
 - resource/instance: adding wait if a plan is being upgrade 144

v2.3.2
Enhancement:
 - resource/instance: allow plan changes to do in-place upgrades 142

v2.3.1
Bug Fix:
 - resource/bare_metal: fix type issue on v6_network_size 140
 - resource/bare_metal: fix missing mac_address definition in scheme 140

 v2.3.0
IMPROVEMENTS:
 - resource/vultr_instances: allow the configuration of backups_schedule
 - resource/vultr_load_balancers: add support for new LB features
   private_network and firewall_rules 137
 - resource/vultr_iso: support detaching during deletion 131 Thanks
   @johnrichardrinehart
 - resource/vultr_instances: private_network_ids are now tracked in statefile
 - resource/vultr_block_storage: new field added mount_id 135
 - resource/vultr_plans: new field added disk_count 135
Dependency:
 - updated terraform-plugin-sdk to v2.4.0 -> v2.6.0 134
 - updated govultr to v2.3.1 -> v2.5.1 135
Deprecation:
 - resources/vultr_instance: the enable_private_network field has been
   deprecated in favor of private_network_ids