[Internal] Migrate databricks_cluster resource and databricks_clusters data source to plugin framework

[tanmay-db]

WIP - Not ready for review

Changes

Migrates cluster resource and clusters data source.

Tests

Unit and Integration tests

• [ ] make test run locally
• [ ] relevant change in docs/ folder
• [ ] covered with integration tests in internal/acceptance
• [ ] relevant acceptance tests are passing
• [ ] using Go SDK

[github-actions[bot]]

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: 4220
• Commit SHA: d68eb576032a2939ebcd7954f9f8ca32c92b16b8

Checks will be approved automatically on success.

[eng-dev-ecosystem-bot]

Test Details: go/deco-tests/11815322915