[Internal] Use Go SDK for databricks_mws_log_delivery

[alexott]

Changes

It's better to use Go SDK instead of using manually written structs/APIs

ALLOW_SCHEMA_BREAKING_CHANGE=true

config_id was never settable by users

Tests

• make test run locally
• relevant change in docs/ folder
• covered with integration tests in internal/acceptance
• using Go SDK
• using TF Plugin Framework
• has entry in NEXT_CHANGELOG.md file

[github-actions]

If integration tests don't run automatically, an authorized user can run them manually by following the instructions below:

Trigger:
go/deco-tests-run/terraform

Inputs:

• PR number: 5807
• Commit SHA: e6f05397a6298c33526ae8504649a89497df1cb4

Checks will be approved automatically on success.

[github-actions]

Breaking schema changes detected (bypass active)

This PR carries ALLOW_SCHEMA_BREAKING_CHANGE=true on its own line in the description, so the breaking-schema check is not blocking. Please review the changes below carefully.

Breaking changes (1)

Kind	Path	Description
BecameComputedOnly	registry.terraform.io/databricks/databricks.resource.databricks_mws_log_delivery.attributes.config_id	Attribute "config_id" is no longer user-settable