chore(deps): update terraform portainer to v1.31.1

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
portainer (source)	required_provider	minor	1.29.0 → 1.31.1

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Release Notes

portainer/terraform-provider-portainer (portainer)

v1.31.1

Compare Source

Release 1.31.1

Fixed

• Creating a portainer_environment with tag_ids set failed against any Portainer version since v1.24.0

v1.31.0

Compare Source

Release 1.31.0

Fixed

• Errors from the Portainer API now include the actual response body instead of generic SDK placeholders like endpointCreateBadRequest. (#​122 )

v1.30.0

Compare Source

Release 1.30.0

• Fixes three broken resources, marks credential fields as sensitive, and updates the Go toolchain and dependencies.

Action required

Several token/credential fields are now Sensitive. If you expose any of them in an output, add sensitive = true or terraform apply will fail:

• portainer_user.api_key_raw
• portainer_webhook.token (resource and data source)
• portainer_webhook_execute.token
• portainer_cloud_credentials.credentials
• portainer_settings → oauth_settings.kube_secret_key

output "generated_api_key" {
  value     = portainer_user.ci.api_key_raw
  sensitive = true   # now required
}

No state migration needed - values stay in state, just masked in CLI output.

Bug fixes

• portainer_edge_configurations: fix "Missing form data value" on update against Portainer 2.39+ (correct multipart form fields). (#​119)
• portainer_shared_git_credential: fix create always failing with HTTP 500 ... key=0 (response envelope is now unwrapped). (#​120)
• portainer_open_amt: fix a doubled endpoint URL that prevented the resource from working.

Security & dependencies

• Resolve all govulncheck findings (Go stdlib + golang.org/x/net).
• Build with Go 1.26.3; bump terraform-plugin-sdk/v2 to v2.40.1 and refresh go-cty, go-openapi, and golang.org/x/net.

Documentation & examples

• Added an Import section to every importable resource's docs page.
• Populated a description for every schema attribute (resources and data sources), improving the generated registry documentation.
• Added example projects for every data source and the remaining resources.

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