Move to https://github.com/devantler-tech/github-actions as a composite-action.

https://github.com/devantler-tech/platform/blob/5bb9b36d56135cf533bb02c8a768cba1a7e44766/.github/workflows/sync-cluster-policies.yaml#L1

```yaml

# TODO: Move to https://github.com/devantler-tech/github-actions as a reusable action.
name: Sync Cluster Policies

on:

```