Migrate to new Provider Framework (SDK)

[jimeh]

Terraform's Plugin SDK was recently superseded by the Plugin Framework:

• https://developer.hashicorp.com/terraform/plugin/framework
• https://github.com/hashicorp/terraform-plugin-framework

Providers can be slowly migrated piece by piece over to the new framework, by hosting both protocol v5 (SDKv2) and v6 (Framework) providers within the same one provider binary:

• https://developer.hashicorp.com/terraform/plugin/mux/translating-protocol-version-5-to-6

Progress

• Setup plugin framework
• Migrate Resources to Framework:
  • katapult_ip
  • katapult_security_group
  • katapult_security_group_rule
  • katapult_virtual_machine
  • katapult_virtual_machine_group
• Migrate Data Sources to Framework:
  • katapult_data_center
  • katapult_disk_template
  • katapult_disk_templates
  • katapult_ip
  • katapult_network_speed_profile
  • katapult_network_speed_profiles
  • katapult_security_group
  • katapult_security_group_rule
  • katapult_security_group_rules
  • katapult_security_groups
  • katapult_virtual_machine
  • katapult_virtual_machine_group
  • katapult_virtual_machine_groups
  • katapult_virtual_machine_package
  • katapult_virtual_machine_packages
• Use Framework for any new Resources and Data Sources.