Upgrade terraform-provider-descope to v0.3.6

[omercbot]

Release details: https://github.com/descope/terraform-provider-descope/releases/tag/v0.3.6

Note

This issue was created automatically by the upgrade-provider tool and should be automatically closed by a subsequent upgrade pull request.

[omercbot]

Failed to create automatic PR: https://github.com/descope/pulumi-descope/actions/runs/22701369035/