Can't find 'action.yml', 'action.yaml' or 'Dockerfile' under '/home/runner/work/model-checking/model-checking/.github/workflows/build.yml'. Did you forget to run actions/checkout before running your local action?

The following actions uses node12 which is deprecated and will be forced to run on node16: actions/checkout@v2. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/