ci: add build & test

[robert-zaremba]

Description

Adding build and test CI jobs

[Copilot]

Pull Request Overview

Adds a new GitHub Actions workflow for building and testing Move code in a dedicated container.

• Introduces a .github/test.yml workflow that runs on merge_group and pull_request events
• Uses tj-actions/changed-files to conditionally build and test only changed .move files
• Configures concurrency to cancel in-progress runs on the same branch/workflow

Comments suppressed due to low confidence (3)

.github/test.yml:1

• [nitpick] Consider renaming the workflow file to build-and-test.yml for clearer intent and consistency with its name.

name: Build and test

.github/test.yml:13

• [nitpick] This job handles both build and test steps—consider renaming the job key (and display name) to build-and-test for clarity.

    test:

.github/test.yml:4

• [nitpick] Add a brief comment explaining the merge_group trigger to help future maintainers understand its purpose.

    merge_group:

[sczembor]

lgtm.