fix: cloud_project_failover_ip_attach: attaching to a new instance_id need to recreate the attach link

[rbeuque74]

Description

Fix issue with cloud_project_failover_ip_attach when updating routed_to on a resource Fixes #xx (issue)

Type of change

Please delete options that are not relevant.

• [x] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Improvement (improve existing resource(s) or datasource(s))
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [ ] Documentation update