resource_federated_identity: migrate to plugin framework

Updates #37240

Also adds validation on custom claims

Signed-off-by: Danni Popova <danni@tailscale.com>

Author: danni-popova

tailscale/provider_framework.go

@@ -170,11 +170,13 @@ func (p *tailscaleProvider) Resources(_ context.Context) []func() resource.Resou
 		NewDeviceAuthorizationResource,
 		NewDeviceKeyResource,
 		NewDeviceSubnetRoutesResource,
+
 		NewDeviceTagsResource,
 		NewDNSNameserversResource,
 		NewDNSPreferencesResource,
 		NewDNSSearchPathsResource,
 		NewDNSSplitNameserversResource,
+		NewFederatedIdentityResource,
 	}
 }
 

tailscale/provider_sdk.go

@@ -106,7 +106,6 @@ func Provider(options ...ProviderOption) *schema.Provider {
 			"tailscale_posture_integration":     resourcePostureIntegration(),
 			"tailscale_logstream_configuration": resourceLogstreamConfiguration(),
 			"tailscale_tailnet_settings":        resourceTailnetSettings(),
-			"tailscale_federated_identity":      resourceFederatedIdentity(),
 			"tailscale_service":                 resourceService(),
 		},
 		DataSourcesMap: map[string]*schema.Resource{