Description

This PR backports changes that were done in v1.8.0 on resource ovh_dedicated_server:

• Addition of parameters to control a server reinstallation: prevent_install_on_create, prevent_install_on_import
• Added field keep_service_after_destroy to avoid calling /terminate on the service when destroying the resource in Terraform
• Added doc to migrate from previous versions to v2.2.0

This PR also removes import from doc of resource ovh_dedicated_server_reinstall_task.

Fixes #914 (issue)
Fixes #885 (issue)

Type of change

• Improvement (improve existing resource(s) or datasource(s))
• Documentation update

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings or issues
• I have added acceptance tests that prove my fix is effective or that my feature works
• New and existing acceptance tests pass locally with my changes
• I ran succesfully go mod vendor if I added or modify go.mod file