[Internal] Added TF Plugin Framework checkbox item to PR template and removed checkbox for integration tests passing

[alexott]

Changes

To facilitate migration to plugin framework :-)

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: 4227
• Commit SHA: f1e6ed01391c7128bf6a115dd4ebea30e60ac326

Checks will be approved automatically on success.

[eng-dev-ecosystem-bot]

Test Details: go/deco-tests/11933845303