Fix submodules

A merge commit resolution knocked out the modules and CI didn't catch it during
builds, it was only revealed when the Publish Release job failed.
https://github.com/cloudflare/terraform-provider-cloudflare/actions/runs/16671571937

This patch updates the go module files so we can trigger a point release.

Author: mgirouard

go.mod

@@ -10,6 +10,7 @@ require (
 	github.com/aws/aws-sdk-go-v2/credentials v1.17.34
 	github.com/aws/aws-sdk-go-v2/service/s3 v1.63.0
 	github.com/cloudflare/cloudflare-go v0.104.0
+	github.com/cloudflare/cloudflare-go/v4 v4.6.0
 	github.com/cloudflare/cloudflare-go/v5 v5.0.0
 	github.com/davecgh/go-spew v1.1.1
 	github.com/hashicorp/go-uuid v1.0.3